<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2022 Workiva-->
<!--r:68da9123-9894-4ad9-96d0-2ae7e404d7bb,g:0a11bb3f-296b-492b-8b62-4f4bd7c07588-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.symbotic.com/role/Cover" xlink:type="simple" xlink:href="sym-20220924.xsd#Cover"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/Cover" xlink:type="extended" id="i48079b4dc040409bb69af6a175cf993e_Cover">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_d4c2aef7-2b22-4f2d-a2d9-95285c1aa016" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_DocumentType_d4c2aef7-2b22-4f2d-a2d9-95285c1aa016" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport_999f0bb3-1824-4826-8309-590f72155eaa" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentAnnualReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_DocumentAnnualReport_999f0bb3-1824-4826-8309-590f72155eaa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_f6248cc1-b6f2-4a59-929a-a2da431f5f86" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_DocumentPeriodEndDate_f6248cc1-b6f2-4a59-929a-a2da431f5f86" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_929646c6-74b1-407d-9417-d63accfedd16" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_CurrentFiscalYearEndDate_929646c6-74b1-407d-9417-d63accfedd16" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_50844d9e-8aee-4637-8096-0970bd8f48ce" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_DocumentTransitionReport_50844d9e-8aee-4637-8096-0970bd8f48ce" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_85afe2d7-a3ef-458d-81af-e7271ab45865" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityFileNumber_85afe2d7-a3ef-458d-81af-e7271ab45865" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_0cfb5b87-ef8f-46c0-99fe-a8565e75a022" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityRegistrantName_0cfb5b87-ef8f-46c0-99fe-a8565e75a022" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_a3a31848-9684-4d6e-8564-33fafbb805ad" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityIncorporationStateCountryCode_a3a31848-9684-4d6e-8564-33fafbb805ad" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_14cffc33-1cc3-4f98-b369-2a8050f4dc38" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityTaxIdentificationNumber_14cffc33-1cc3-4f98-b369-2a8050f4dc38" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_4eacb594-b480-4f35-8168-9af1b407f212" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityAddressAddressLine1_4eacb594-b480-4f35-8168-9af1b407f212" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_5da1771c-c8ff-4c38-8df6-28752f4e30b9" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityAddressCityOrTown_5da1771c-c8ff-4c38-8df6-28752f4e30b9" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_99b32da9-9857-43ee-bb59-e54277624163" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityAddressStateOrProvince_99b32da9-9857-43ee-bb59-e54277624163" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_f47dcf6f-96c4-4afa-b500-d3df45f94b9f" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityAddressPostalZipCode_f47dcf6f-96c4-4afa-b500-d3df45f94b9f" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_4247b97b-fc5d-4539-b66a-63adb9dc239c" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_CityAreaCode_4247b97b-fc5d-4539-b66a-63adb9dc239c" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_dd9f461f-a2ce-4f20-ae97-1390389c8e38" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_LocalPhoneNumber_dd9f461f-a2ce-4f20-ae97-1390389c8e38" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_1f1354de-69dc-4dad-9c96-c9093dc228c9" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_Security12bTitle_1f1354de-69dc-4dad-9c96-c9093dc228c9" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_4bf3d11b-b097-4dff-802e-b5f36f162188" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_TradingSymbol_4bf3d11b-b097-4dff-802e-b5f36f162188" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_491205bf-169f-4306-89d9-138e7f66ec82" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_SecurityExchangeName_491205bf-169f-4306-89d9-138e7f66ec82" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_c966af99-9715-488c-b4b9-9f51954c104a" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityWellKnownSeasonedIssuer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_c966af99-9715-488c-b4b9-9f51954c104a" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityVoluntaryFilers_3d83e4bd-aaf8-44ae-ac59-b0b621a307d1" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityVoluntaryFilers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityVoluntaryFilers_3d83e4bd-aaf8-44ae-ac59-b0b621a307d1" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_87053f23-200c-44e8-993a-f44faa4eb648" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityCurrentReportingStatus_87053f23-200c-44e8-993a-f44faa4eb648" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_9cbacc1c-cdae-4b92-8c63-ef095b60c154" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityInteractiveDataCurrent_9cbacc1c-cdae-4b92-8c63-ef095b60c154" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_68e41915-1377-4a04-8f38-44522eed2cef" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityFilerCategory_68e41915-1377-4a04-8f38-44522eed2cef" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_4123190c-e345-4d97-9861-c1eb68db20f3" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntitySmallBusiness_4123190c-e345-4d97-9861-c1eb68db20f3" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_660158c0-4915-477b-ba2c-56ff0b4d4697" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityEmergingGrowthCompany_660158c0-4915-477b-ba2c-56ff0b4d4697" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityExTransitionPeriod_c95f3b30-380d-4127-8dbe-a25c5f579de3" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityExTransitionPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityExTransitionPeriod_c95f3b30-380d-4127-8dbe-a25c5f579de3" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_f8e6d735-57cb-4a31-94ae-9cd81db89f79" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityShellCompany_f8e6d735-57cb-4a31-94ae-9cd81db89f79" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityPublicFloat_06a22ed7-e957-42e5-abc8-812a10ce2874" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityPublicFloat"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityPublicFloat_06a22ed7-e957-42e5-abc8-812a10ce2874" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_261a4484-8cf2-4473-8908-a5352fa784b9" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_261a4484-8cf2-4473-8908-a5352fa784b9" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentsIncorporatedByReferenceTextBlock_cc9594ff-59a6-45ba-86d8-234fa7d06c88" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentsIncorporatedByReferenceTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_DocumentsIncorporatedByReferenceTextBlock_cc9594ff-59a6-45ba-86d8-234fa7d06c88" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_e0a94e29-4538-4bc3-9757-fccbb8da677f" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_EntityCentralIndexKey_e0a94e29-4538-4bc3-9757-fccbb8da677f" xlink:type="arc" order="30"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_1c301aa5-69ce-4870-80d7-a1ae2cf8ba3f" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_AmendmentFlag_1c301aa5-69ce-4870-80d7-a1ae2cf8ba3f" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_75f27710-8c5c-4982-a329-c0909c6e3212" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_DocumentFiscalYearFocus_75f27710-8c5c-4982-a329-c0909c6e3212" xlink:type="arc" order="32"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_5a954dd5-8939-42d9-bfe6-b9b491cae53d" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_DocumentFiscalPeriodFocus_5a954dd5-8939-42d9-bfe6-b9b491cae53d" xlink:type="arc" order="33"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_f2a8fe77-3416-4b69-8602-d2ed7a231686" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_f1c1fdba-94aa-4555-8a85-d5eb87a7f442" xlink:to="loc_dei_DocumentInformationTable_f2a8fe77-3416-4b69-8602-d2ed7a231686" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_14d23c47-d18f-429b-83c4-0f9b7d654823" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_f2a8fe77-3416-4b69-8602-d2ed7a231686" xlink:to="loc_us-gaap_StatementClassOfStockAxis_14d23c47-d18f-429b-83c4-0f9b7d654823" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_14d23c47-d18f-429b-83c4-0f9b7d654823_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_14d23c47-d18f-429b-83c4-0f9b7d654823" xlink:to="loc_us-gaap_ClassOfStockDomain_14d23c47-d18f-429b-83c4-0f9b7d654823_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_20a8adff-7983-4603-90f0-942f51bd3aea" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_14d23c47-d18f-429b-83c4-0f9b7d654823" xlink:to="loc_us-gaap_ClassOfStockDomain_20a8adff-7983-4603-90f0-942f51bd3aea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_dac8fe19-11fc-4a94-8759-bc2a8c39d000" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_20a8adff-7983-4603-90f0-942f51bd3aea" xlink:to="loc_us-gaap_CommonClassAMember_dac8fe19-11fc-4a94-8759-bc2a8c39d000" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV1Member_da341c5e-c922-4ee2-af15-3e4aa54b6657" xlink:href="sym-20220924.xsd#sym_CommonClassV1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_20a8adff-7983-4603-90f0-942f51bd3aea" xlink:to="loc_sym_CommonClassV1Member_da341c5e-c922-4ee2-af15-3e4aa54b6657" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV3Member_9be6d49c-b123-44d3-b2d5-51483f12c866" xlink:href="sym-20220924.xsd#sym_CommonClassV3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_20a8adff-7983-4603-90f0-942f51bd3aea" xlink:to="loc_sym_CommonClassV3Member_9be6d49c-b123-44d3-b2d5-51483f12c866" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="sym-20220924.xsd#ConsolidatedBalanceSheets"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/ConsolidatedBalanceSheets" xlink:type="extended" id="i481e5387640f47fab04d25fe99e98dd5_ConsolidatedBalanceSheets">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_5518d680-eb55-4f3e-88b5-862ada0fa24c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_66c17cef-3ff7-4a11-ad89-435e0afb3a1c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5518d680-eb55-4f3e-88b5-862ada0fa24c" xlink:to="loc_us-gaap_AssetsAbstract_66c17cef-3ff7-4a11-ad89-435e0afb3a1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_83492f1e-b821-48db-9180-fb3978e98baf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_66c17cef-3ff7-4a11-ad89-435e0afb3a1c" xlink:to="loc_us-gaap_AssetsCurrentAbstract_83492f1e-b821-48db-9180-fb3978e98baf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_067175c1-8477-4b96-a4b5-5edc21c85249" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_83492f1e-b821-48db-9180-fb3978e98baf" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_067175c1-8477-4b96-a4b5-5edc21c85249" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_cf34751e-0197-4c70-9a99-22945325eab9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_83492f1e-b821-48db-9180-fb3978e98baf" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_cf34751e-0197-4c70-9a99-22945325eab9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnbilledReceivablesCurrent_72409261-d5ef-44f5-90b6-275201e4e4a4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UnbilledReceivablesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_83492f1e-b821-48db-9180-fb3978e98baf" xlink:to="loc_us-gaap_UnbilledReceivablesCurrent_72409261-d5ef-44f5-90b6-275201e4e4a4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_ac6f0af5-32b8-40e1-8fef-bd9e0d203300" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_83492f1e-b821-48db-9180-fb3978e98baf" xlink:to="loc_us-gaap_InventoryNet_ac6f0af5-32b8-40e1-8fef-bd9e0d203300" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCostsCurrent_ab480644-2f3a-4e13-8774-78a1fa0f4866" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredCostsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_83492f1e-b821-48db-9180-fb3978e98baf" xlink:to="loc_us-gaap_DeferredCostsCurrent_ab480644-2f3a-4e13-8774-78a1fa0f4866" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_fca44c26-60f3-482b-87e8-df35515b241d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_83492f1e-b821-48db-9180-fb3978e98baf" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_fca44c26-60f3-482b-87e8-df35515b241d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_b5405252-11fd-4c23-9c36-c3d531a14026" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_83492f1e-b821-48db-9180-fb3978e98baf" xlink:to="loc_us-gaap_AssetsCurrent_b5405252-11fd-4c23-9c36-c3d531a14026" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_e0a22696-ee91-4de2-91d4-d81de6789d3b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_66c17cef-3ff7-4a11-ad89-435e0afb3a1c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_e0a22696-ee91-4de2-91d4-d81de6789d3b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_8d0222d7-ddfd-4e4f-a6a2-0d680562fece" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_66c17cef-3ff7-4a11-ad89-435e0afb3a1c" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_8d0222d7-ddfd-4e4f-a6a2-0d680562fece" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_51ca6a1a-06e1-4ae0-806b-bfc8014b0fe9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_66c17cef-3ff7-4a11-ad89-435e0afb3a1c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_51ca6a1a-06e1-4ae0-806b-bfc8014b0fe9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_205d2da5-a06b-43e9-adf4-93aef3246a10" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_66c17cef-3ff7-4a11-ad89-435e0afb3a1c" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_205d2da5-a06b-43e9-adf4-93aef3246a10" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_ea659186-bea4-47f1-8940-120ffb648637" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_66c17cef-3ff7-4a11-ad89-435e0afb3a1c" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_ea659186-bea4-47f1-8940-120ffb648637" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_37228a9f-7b82-4501-bfb3-857df7912dc0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_66c17cef-3ff7-4a11-ad89-435e0afb3a1c" xlink:to="loc_us-gaap_Assets_37228a9f-7b82-4501-bfb3-857df7912dc0" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b4fa9ac5-c571-4951-a5e6-71ebbf65b770" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5518d680-eb55-4f3e-88b5-862ada0fa24c" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b4fa9ac5-c571-4951-a5e6-71ebbf65b770" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_358a5e1e-64c7-4325-a684-a6ff702b9281" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b4fa9ac5-c571-4951-a5e6-71ebbf65b770" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_358a5e1e-64c7-4325-a684-a6ff702b9281" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_4057861a-4aed-41a5-b383-0c6863170186" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_358a5e1e-64c7-4325-a684-a6ff702b9281" xlink:to="loc_us-gaap_AccountsPayableCurrent_4057861a-4aed-41a5-b383-0c6863170186" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_565c42ee-7973-47fe-91fd-d2803d45d43c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_358a5e1e-64c7-4325-a684-a6ff702b9281" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_565c42ee-7973-47fe-91fd-d2803d45d43c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesAndExciseTaxPayableCurrent_d4c290e0-5c9c-4a12-ada2-23fbc0b22010" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SalesAndExciseTaxPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_358a5e1e-64c7-4325-a684-a6ff702b9281" xlink:to="loc_us-gaap_SalesAndExciseTaxPayableCurrent_d4c290e0-5c9c-4a12-ada2-23fbc0b22010" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_7390a105-615c-41b3-93d2-8250d34eda1b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_358a5e1e-64c7-4325-a684-a6ff702b9281" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_7390a105-615c-41b3-93d2-8250d34eda1b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_c830ff41-c1ab-403f-acf0-83333465916b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_358a5e1e-64c7-4325-a684-a6ff702b9281" xlink:to="loc_us-gaap_LiabilitiesCurrent_c830ff41-c1ab-403f-acf0-83333465916b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_f31b5bac-924d-467c-bc03-258edabade36" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b4fa9ac5-c571-4951-a5e6-71ebbf65b770" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_f31b5bac-924d-467c-bc03-258edabade36" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_7b6f8342-b100-4ca8-a597-a5720a0e1a06" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b4fa9ac5-c571-4951-a5e6-71ebbf65b770" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_7b6f8342-b100-4ca8-a597-a5720a0e1a06" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_f8ef41de-b41d-494e-b8ba-614f7e475e91" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b4fa9ac5-c571-4951-a5e6-71ebbf65b770" xlink:to="loc_us-gaap_Liabilities_f8ef41de-b41d-494e-b8ba-614f7e475e91" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_2ce67ec8-7b21-4ce9-a7fc-fab2ae9882f8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b4fa9ac5-c571-4951-a5e6-71ebbf65b770" xlink:to="loc_us-gaap_CommitmentsAndContingencies_2ce67ec8-7b21-4ce9-a7fc-fab2ae9882f8" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmountAbstract_03e49996-c673-4842-94d5-132c179fc86c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmountAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b4fa9ac5-c571-4951-a5e6-71ebbf65b770" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmountAbstract_03e49996-c673-4842-94d5-132c179fc86c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_244ae67b-9aef-413c-84cb-a1e099d67e25" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmountAbstract_03e49996-c673-4842-94d5-132c179fc86c" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_244ae67b-9aef-413c-84cb-a1e099d67e25" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersEquityAbstract_1dee1b5c-e7e6-43b8-8e77-6fc7bf4d6f89" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MembersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b4fa9ac5-c571-4951-a5e6-71ebbf65b770" xlink:to="loc_us-gaap_MembersEquityAbstract_1dee1b5c-e7e6-43b8-8e77-6fc7bf4d6f89" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersCapital_9f5faac2-5bbc-4b45-a1c9-5535c34aba95" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MembersCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MembersEquityAbstract_1dee1b5c-e7e6-43b8-8e77-6fc7bf4d6f89" xlink:to="loc_us-gaap_MembersCapital_9f5faac2-5bbc-4b45-a1c9-5535c34aba95" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_855baf3e-f92c-410b-b42c-b77aa0ebebd2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MembersEquityAbstract_1dee1b5c-e7e6-43b8-8e77-6fc7bf4d6f89" xlink:to="loc_us-gaap_CommonStockValue_855baf3e-f92c-410b-b42c-b77aa0ebebd2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAdditionalCapital_095557d6-c933-4d57-af3d-9d6a3fe92369" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAdditionalCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MembersEquityAbstract_1dee1b5c-e7e6-43b8-8e77-6fc7bf4d6f89" xlink:to="loc_us-gaap_OtherAdditionalCapital_095557d6-c933-4d57-af3d-9d6a3fe92369" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_1da678f8-f012-470a-b5f4-24f1e84f3bed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MembersEquityAbstract_1dee1b5c-e7e6-43b8-8e77-6fc7bf4d6f89" xlink:to="loc_us-gaap_AdditionalPaidInCapital_1da678f8-f012-470a-b5f4-24f1e84f3bed" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_b38e9044-ce68-490b-9e77-a1376940aee3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MembersEquityAbstract_1dee1b5c-e7e6-43b8-8e77-6fc7bf4d6f89" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_b38e9044-ce68-490b-9e77-a1376940aee3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_99bbafc7-777b-4102-8a60-06306631c55d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MembersEquityAbstract_1dee1b5c-e7e6-43b8-8e77-6fc7bf4d6f89" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_99bbafc7-777b-4102-8a60-06306631c55d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_2a4a7c62-72e9-49e0-9b6d-3f0f15b2695d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MembersEquityAbstract_1dee1b5c-e7e6-43b8-8e77-6fc7bf4d6f89" xlink:to="loc_us-gaap_StockholdersEquity_2a4a7c62-72e9-49e0-9b6d-3f0f15b2695d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersEquity_dadf9c3c-9a72-411f-b356-4ae6be11ac73" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MembersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MembersEquityAbstract_1dee1b5c-e7e6-43b8-8e77-6fc7bf4d6f89" xlink:to="loc_us-gaap_MembersEquity_dadf9c3c-9a72-411f-b356-4ae6be11ac73" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_e7a613d2-a2a5-484c-a046-ea76aa4273a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MinorityInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b4fa9ac5-c571-4951-a5e6-71ebbf65b770" xlink:to="loc_us-gaap_MinorityInterest_e7a613d2-a2a5-484c-a046-ea76aa4273a7" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_fc2c8717-7052-4b04-bc17-53d09645690a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b4fa9ac5-c571-4951-a5e6-71ebbf65b770" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_fc2c8717-7052-4b04-bc17-53d09645690a" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_d39f6510-19d4-421d-9c90-e468ee32a8ed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b4fa9ac5-c571-4951-a5e6-71ebbf65b770" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_d39f6510-19d4-421d-9c90-e468ee32a8ed" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_26c30895-dec1-439c-9a18-0275022f35fa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_5518d680-eb55-4f3e-88b5-862ada0fa24c" xlink:to="loc_us-gaap_StatementTable_26c30895-dec1-439c-9a18-0275022f35fa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_faa74b59-1eb4-4518-8591-49a86c565c78" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_26c30895-dec1-439c-9a18-0275022f35fa" xlink:to="loc_us-gaap_StatementClassOfStockAxis_faa74b59-1eb4-4518-8591-49a86c565c78" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_faa74b59-1eb4-4518-8591-49a86c565c78_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_faa74b59-1eb4-4518-8591-49a86c565c78" xlink:to="loc_us-gaap_ClassOfStockDomain_faa74b59-1eb4-4518-8591-49a86c565c78_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_5587cf95-e941-4cf1-b173-451421b852b1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_faa74b59-1eb4-4518-8591-49a86c565c78" xlink:to="loc_us-gaap_ClassOfStockDomain_5587cf95-e941-4cf1-b173-451421b852b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemablePreferredUnitsClassB1Member_66dc03ac-bc76-4157-9199-f549eb060594" xlink:href="sym-20220924.xsd#sym_RedeemablePreferredUnitsClassB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_5587cf95-e941-4cf1-b173-451421b852b1" xlink:to="loc_sym_RedeemablePreferredUnitsClassB1Member_66dc03ac-bc76-4157-9199-f549eb060594" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemablePreferredUnitsClassBMember_1689d1db-6955-4127-b9de-581ab4453973" xlink:href="sym-20220924.xsd#sym_RedeemablePreferredUnitsClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_5587cf95-e941-4cf1-b173-451421b852b1" xlink:to="loc_sym_RedeemablePreferredUnitsClassBMember_1689d1db-6955-4127-b9de-581ab4453973" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemableCommonUnitsClassCMember_4f71a6f8-d236-440c-b07f-27f2bdab369f" xlink:href="sym-20220924.xsd#sym_RedeemableCommonUnitsClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_5587cf95-e941-4cf1-b173-451421b852b1" xlink:to="loc_sym_RedeemableCommonUnitsClassCMember_4f71a6f8-d236-440c-b07f-27f2bdab369f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_9f374a1d-3c45-4b82-995c-9e02f050bb27" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_5587cf95-e941-4cf1-b173-451421b852b1" xlink:to="loc_us-gaap_CommonClassAMember_9f374a1d-3c45-4b82-995c-9e02f050bb27" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV1Member_3297d0de-d21f-4c3d-a183-bb5677de624b" xlink:href="sym-20220924.xsd#sym_CommonClassV1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_5587cf95-e941-4cf1-b173-451421b852b1" xlink:to="loc_sym_CommonClassV1Member_3297d0de-d21f-4c3d-a183-bb5677de624b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV3Member_003765ea-18de-4e87-b45b-d4f98fb092df" xlink:href="sym-20220924.xsd#sym_CommonClassV3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_5587cf95-e941-4cf1-b173-451421b852b1" xlink:to="loc_sym_CommonClassV3Member_003765ea-18de-4e87-b45b-d4f98fb092df" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" xlink:href="sym-20220924.xsd#ConsolidatedBalanceSheetsParenthetical"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended" id="i1aadff2ea7ed456d8fdcf5c69e4fccb9_ConsolidatedBalanceSheetsParenthetical">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_3ae08624-3c4d-4dd1-8aaa-c1b1de1ee940" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesAuthorized_53e01103-f4fa-42ab-890a-7d4631e0a6bf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3ae08624-3c4d-4dd1-8aaa-c1b1de1ee940" xlink:to="loc_us-gaap_TemporaryEquitySharesAuthorized_53e01103-f4fa-42ab-890a-7d4631e0a6bf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesIssued_3e0c7d1b-4eaa-4975-8322-3229e5275d49" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3ae08624-3c4d-4dd1-8aaa-c1b1de1ee940" xlink:to="loc_us-gaap_TemporaryEquitySharesIssued_3e0c7d1b-4eaa-4975-8322-3229e5275d49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_2171c53d-2388-4ac1-a931-788560a6c40c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3ae08624-3c4d-4dd1-8aaa-c1b1de1ee940" xlink:to="loc_us-gaap_TemporaryEquitySharesOutstanding_2171c53d-2388-4ac1-a931-788560a6c40c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonUnitAuthorized_95e63b20-1a98-430c-afa6-deb6e9622fb9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonUnitAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3ae08624-3c4d-4dd1-8aaa-c1b1de1ee940" xlink:to="loc_us-gaap_CommonUnitAuthorized_95e63b20-1a98-430c-afa6-deb6e9622fb9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonUnitIssued_2ae8df7c-7b5e-4a37-a06a-e8945cc168d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonUnitIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3ae08624-3c4d-4dd1-8aaa-c1b1de1ee940" xlink:to="loc_us-gaap_CommonUnitIssued_2ae8df7c-7b5e-4a37-a06a-e8945cc168d8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonUnitOutstanding_fa10e657-0d30-4143-b24e-c08a14cb76ac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonUnitOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3ae08624-3c4d-4dd1-8aaa-c1b1de1ee940" xlink:to="loc_us-gaap_CommonUnitOutstanding_fa10e657-0d30-4143-b24e-c08a14cb76ac" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_1e06aedc-e142-47f4-9f4e-29f1aed2f8ae" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3ae08624-3c4d-4dd1-8aaa-c1b1de1ee940" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_1e06aedc-e142-47f4-9f4e-29f1aed2f8ae" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_cb4ce59d-9a75-4e80-a7e7-d6070a143717" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3ae08624-3c4d-4dd1-8aaa-c1b1de1ee940" xlink:to="loc_us-gaap_CommonStockSharesIssued_cb4ce59d-9a75-4e80-a7e7-d6070a143717" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_323a3dd4-f9a4-4a18-a4b2-c88b544ba2e3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3ae08624-3c4d-4dd1-8aaa-c1b1de1ee940" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_323a3dd4-f9a4-4a18-a4b2-c88b544ba2e3" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_d24d783b-2d51-4eba-b843-684676f73f27" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_3ae08624-3c4d-4dd1-8aaa-c1b1de1ee940" xlink:to="loc_us-gaap_StatementTable_d24d783b-2d51-4eba-b843-684676f73f27" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_80e4adcb-5c43-4004-9c47-75a0afe41a43" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_d24d783b-2d51-4eba-b843-684676f73f27" xlink:to="loc_us-gaap_StatementClassOfStockAxis_80e4adcb-5c43-4004-9c47-75a0afe41a43" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_80e4adcb-5c43-4004-9c47-75a0afe41a43_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_80e4adcb-5c43-4004-9c47-75a0afe41a43" xlink:to="loc_us-gaap_ClassOfStockDomain_80e4adcb-5c43-4004-9c47-75a0afe41a43_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_dd0537b3-2e6a-4747-a18d-932603ffb595" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_80e4adcb-5c43-4004-9c47-75a0afe41a43" xlink:to="loc_us-gaap_ClassOfStockDomain_dd0537b3-2e6a-4747-a18d-932603ffb595" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemablePreferredUnitsClassB1Member_605c9a06-e216-4de9-8722-05f48f4231d0" xlink:href="sym-20220924.xsd#sym_RedeemablePreferredUnitsClassB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_dd0537b3-2e6a-4747-a18d-932603ffb595" xlink:to="loc_sym_RedeemablePreferredUnitsClassB1Member_605c9a06-e216-4de9-8722-05f48f4231d0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemablePreferredUnitsClassBMember_aabe264f-3eb4-41cd-a10c-30b4532d7cab" xlink:href="sym-20220924.xsd#sym_RedeemablePreferredUnitsClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_dd0537b3-2e6a-4747-a18d-932603ffb595" xlink:to="loc_sym_RedeemablePreferredUnitsClassBMember_aabe264f-3eb4-41cd-a10c-30b4532d7cab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemableCommonUnitsClassCMember_6e4904cf-a9d7-4d2d-8f29-6a2562e4e355" xlink:href="sym-20220924.xsd#sym_RedeemableCommonUnitsClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_dd0537b3-2e6a-4747-a18d-932603ffb595" xlink:to="loc_sym_RedeemableCommonUnitsClassCMember_6e4904cf-a9d7-4d2d-8f29-6a2562e4e355" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_91f0e607-8eea-4ef1-9c19-b53bc7973b05" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_dd0537b3-2e6a-4747-a18d-932603ffb595" xlink:to="loc_us-gaap_CommonClassAMember_91f0e607-8eea-4ef1-9c19-b53bc7973b05" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV1Member_70accc13-2d3c-4f92-ad9b-22290c2986e5" xlink:href="sym-20220924.xsd#sym_CommonClassV1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_dd0537b3-2e6a-4747-a18d-932603ffb595" xlink:to="loc_sym_CommonClassV1Member_70accc13-2d3c-4f92-ad9b-22290c2986e5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV3Member_79f3fb3e-dc01-479a-9a83-6fa24eaa2fd3" xlink:href="sym-20220924.xsd#sym_CommonClassV3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_dd0537b3-2e6a-4747-a18d-932603ffb595" xlink:to="loc_sym_CommonClassV3Member_79f3fb3e-dc01-479a-9a83-6fa24eaa2fd3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementAxis_5100e644-3be9-4ff9-b6f2-3bb71ede9f99" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_d24d783b-2d51-4eba-b843-684676f73f27" xlink:to="loc_srt_RestatementAxis_5100e644-3be9-4ff9-b6f2-3bb71ede9f99" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_5100e644-3be9-4ff9-b6f2-3bb71ede9f99_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RestatementAxis_5100e644-3be9-4ff9-b6f2-3bb71ede9f99" xlink:to="loc_srt_RestatementDomain_5100e644-3be9-4ff9-b6f2-3bb71ede9f99_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_55af8683-7c98-4336-89e5-a265778ef21e" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RestatementAxis_5100e644-3be9-4ff9-b6f2-3bb71ede9f99" xlink:to="loc_srt_RestatementDomain_55af8683-7c98-4336-89e5-a265778ef21e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioPreviouslyReportedMember_392a25f8-e8c6-4e23-8d5c-45d45e47bb6c" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioPreviouslyReportedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RestatementDomain_55af8683-7c98-4336-89e5-a265778ef21e" xlink:to="loc_srt_ScenarioPreviouslyReportedMember_392a25f8-e8c6-4e23-8d5c-45d45e47bb6c" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/ConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="sym-20220924.xsd#ConsolidatedStatementsofOperations"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/ConsolidatedStatementsofOperations" xlink:type="extended" id="i19ec91f3adfa4390bc2e79b7335fb4df_ConsolidatedStatementsofOperations">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_e8cf89c4-b121-4981-a52f-0b0286c75c32" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_RevenuesAbstract_e8cf89c4-b121-4981-a52f-0b0286c75c32" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_0439603e-19b8-436f-aa35-c717b3fbd0bc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_e8cf89c4-b121-4981-a52f-0b0286c75c32" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_0439603e-19b8-436f-aa35-c717b3fbd0bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenueAbstract_e86fefcb-e90d-419a-8e6a-416fbf591687" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfRevenueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_CostOfRevenueAbstract_e86fefcb-e90d-419a-8e6a-416fbf591687" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_af6d7ed4-7cd5-44e9-aa4d-0a39b768f7f8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_e86fefcb-e90d-419a-8e6a-416fbf591687" xlink:to="loc_us-gaap_CostOfRevenue_af6d7ed4-7cd5-44e9-aa4d-0a39b768f7f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_6c836cc7-7658-45f6-86b3-dcc1cfddecfc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_GrossProfit_6c836cc7-7658-45f6-86b3-dcc1cfddecfc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_ac8a1835-b1f1-4d41-ac71-c7a889dec187" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_OperatingExpensesAbstract_ac8a1835-b1f1-4d41-ac71-c7a889dec187" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_416acdd5-5d5e-4c3d-b583-5aff94b1c9a4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_ac8a1835-b1f1-4d41-ac71-c7a889dec187" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_416acdd5-5d5e-4c3d-b583-5aff94b1c9a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_5e384386-989c-4943-a038-659505456842" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_ac8a1835-b1f1-4d41-ac71-c7a889dec187" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_5e384386-989c-4943-a038-659505456842" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_79bde4e2-97ca-4a10-8725-b528bb474a25" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_ac8a1835-b1f1-4d41-ac71-c7a889dec187" xlink:to="loc_us-gaap_OperatingExpenses_79bde4e2-97ca-4a10-8725-b528bb474a25" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_c0c40347-03f3-4f7f-b75e-77935482171f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_OperatingIncomeLoss_c0c40347-03f3-4f7f-b75e-77935482171f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_3580c9e7-a6ab-4e96-abaa-a60baea2bd24" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_3580c9e7-a6ab-4e96-abaa-a60baea2bd24" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6fa61615-ea4e-4df7-b7e4-c80bac33835e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6fa61615-ea4e-4df7-b7e4-c80bac33835e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_ea550a7c-97f9-46f2-b370-d96f997ca28a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_ea550a7c-97f9-46f2-b370-d96f997ca28a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_2762378f-e7a2-453b-9ab3-652a1bdf9271" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_ProfitLoss_2762378f-e7a2-453b-9ab3-652a1bdf9271" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_9f3dc42b-2198-4fa2-8b93-eea204a46afa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_NetIncomeLoss_9f3dc42b-2198-4fa2-8b93-eea204a46afa" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_bbad3506-19d0-494f-b671-40015c6ed87b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_bbad3506-19d0-494f-b671-40015c6ed87b" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareReconciliationAbstract_7c9babd3-27d1-40ab-8ccf-9955979c88ae" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareReconciliationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_EarningsPerShareReconciliationAbstract_7c9babd3-27d1-40ab-8ccf-9955979c88ae" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_e1309568-471d-4208-a3e1-5b746ca76196" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareReconciliationAbstract_7c9babd3-27d1-40ab-8ccf-9955979c88ae" xlink:to="loc_us-gaap_EarningsPerShareBasic_e1309568-471d-4208-a3e1-5b746ca76196" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_9ed806f1-8258-4763-aa43-fcf686648c1d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareReconciliationAbstract_7c9babd3-27d1-40ab-8ccf-9955979c88ae" xlink:to="loc_us-gaap_EarningsPerShareDiluted_9ed806f1-8258-4763-aa43-fcf686648c1d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_78093c4d-ce1f-4f99-a581-eda715887fc7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_78093c4d-ce1f-4f99-a581-eda715887fc7" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_56a78431-6ab3-4214-bb49-a0876ce41209" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_78093c4d-ce1f-4f99-a581-eda715887fc7" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_56a78431-6ab3-4214-bb49-a0876ce41209" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_f51079d4-5c65-438e-bd2c-a31d287fa174" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_78093c4d-ce1f-4f99-a581-eda715887fc7" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_f51079d4-5c65-438e-bd2c-a31d287fa174" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_a85d9e6a-ee46-4532-ad26-fcc4a791cccb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_64a3c9e2-6bc9-4bd1-9668-d2199e5aedb3" xlink:to="loc_us-gaap_StatementTable_a85d9e6a-ee46-4532-ad26-fcc4a791cccb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_8f2c946b-c5ba-43fc-91df-dde78f288b64" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_a85d9e6a-ee46-4532-ad26-fcc4a791cccb" xlink:to="loc_srt_ProductOrServiceAxis_8f2c946b-c5ba-43fc-91df-dde78f288b64" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_8f2c946b-c5ba-43fc-91df-dde78f288b64_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_8f2c946b-c5ba-43fc-91df-dde78f288b64" xlink:to="loc_srt_ProductsAndServicesDomain_8f2c946b-c5ba-43fc-91df-dde78f288b64_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_10020c2f-70b5-4111-9548-86ea95d085a0" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_8f2c946b-c5ba-43fc-91df-dde78f288b64" xlink:to="loc_srt_ProductsAndServicesDomain_10020c2f-70b5-4111-9548-86ea95d085a0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_SystemsMember_3d5c0e85-2689-4d0c-aafd-c51cfb42c2ce" xlink:href="sym-20220924.xsd#sym_SystemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_10020c2f-70b5-4111-9548-86ea95d085a0" xlink:to="loc_sym_SystemsMember_3d5c0e85-2689-4d0c-aafd-c51cfb42c2ce" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_SoftwareMaintenanceAndSupportMember_7fdd69d8-4ec7-44a6-a6a1-5e2495e3f26a" xlink:href="sym-20220924.xsd#sym_SoftwareMaintenanceAndSupportMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_10020c2f-70b5-4111-9548-86ea95d085a0" xlink:to="loc_sym_SoftwareMaintenanceAndSupportMember_7fdd69d8-4ec7-44a6-a6a1-5e2495e3f26a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_OperationServicesMember_7c014266-7220-41de-84f6-ecbdc5199f36" xlink:href="sym-20220924.xsd#sym_OperationServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_10020c2f-70b5-4111-9548-86ea95d085a0" xlink:to="loc_sym_OperationServicesMember_7c014266-7220-41de-84f6-ecbdc5199f36" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/ConsolidatedStatementsofChangesinRedeemablePreferredandCommonUnitsandEquityDeficit" xlink:type="simple" xlink:href="sym-20220924.xsd#ConsolidatedStatementsofChangesinRedeemablePreferredandCommonUnitsandEquityDeficit"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/ConsolidatedStatementsofChangesinRedeemablePreferredandCommonUnitsandEquityDeficit" xlink:type="extended" id="i04bead39ce3a4747bab0eaaad203c6ef_ConsolidatedStatementsofChangesinRedeemablePreferredandCommonUnitsandEquityDeficit">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_7f161e84-9418-446f-aaaa-a64d182e7e18" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4de34b3-d2a2-4577-bf5c-b6ebe99e4b7f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInTemporaryEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_7f161e84-9418-446f-aaaa-a64d182e7e18" xlink:to="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4de34b3-d2a2-4577-bf5c-b6ebe99e4b7f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_6c071592-81fc-4784-8a7b-14fab0265a2e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4de34b3-d2a2-4577-bf5c-b6ebe99e4b7f" xlink:to="loc_us-gaap_TemporaryEquitySharesOutstanding_6c071592-81fc-4784-8a7b-14fab0265a2e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_334fe41f-ec28-42cc-8210-e335860178c0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4de34b3-d2a2-4577-bf5c-b6ebe99e4b7f" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_334fe41f-ec28-42cc-8210-e335860178c0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues_3f1dbe68-5e6e-405e-a72d-2e4395cdb6b5" xlink:href="sym-20220924.xsd#sym_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4de34b3-d2a2-4577-bf5c-b6ebe99e4b7f" xlink:to="loc_sym_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues_3f1dbe68-5e6e-405e-a72d-2e4395cdb6b5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_TemporaryEquityShareBasedPaymentArrangementSharesForfeited_09332946-b65f-4a12-904d-dd46c03b2fa1" xlink:href="sym-20220924.xsd#sym_TemporaryEquityShareBasedPaymentArrangementSharesForfeited"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4de34b3-d2a2-4577-bf5c-b6ebe99e4b7f" xlink:to="loc_sym_TemporaryEquityShareBasedPaymentArrangementSharesForfeited_09332946-b65f-4a12-904d-dd46c03b2fa1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_TemporaryEquityShareBasedPaymentArrangementIncreaseForCostRecognition_dfe3ad95-0057-410d-8829-6cd58f8fd9e6" xlink:href="sym-20220924.xsd#sym_TemporaryEquityShareBasedPaymentArrangementIncreaseForCostRecognition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4de34b3-d2a2-4577-bf5c-b6ebe99e4b7f" xlink:to="loc_sym_TemporaryEquityShareBasedPaymentArrangementIncreaseForCostRecognition_dfe3ad95-0057-410d-8829-6cd58f8fd9e6" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityAccretionToRedemptionValue_9336f31a-8540-416c-a7d5-c52bb3f6acff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquityAccretionToRedemptionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4de34b3-d2a2-4577-bf5c-b6ebe99e4b7f" xlink:to="loc_us-gaap_TemporaryEquityAccretionToRedemptionValue_9336f31a-8540-416c-a7d5-c52bb3f6acff" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_TemporaryEquityMemberContributions_5a265d8f-1298-4316-8ee5-a58a4052e6b9" xlink:href="sym-20220924.xsd#sym_TemporaryEquityMemberContributions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4de34b3-d2a2-4577-bf5c-b6ebe99e4b7f" xlink:to="loc_sym_TemporaryEquityMemberContributions_5a265d8f-1298-4316-8ee5-a58a4052e6b9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_TemporaryEquityPreferredReturn_5254f7d1-f886-4c89-a833-45edcaa13492" xlink:href="sym-20220924.xsd#sym_TemporaryEquityPreferredReturn"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4de34b3-d2a2-4577-bf5c-b6ebe99e4b7f" xlink:to="loc_sym_TemporaryEquityPreferredReturn_5254f7d1-f886-4c89-a833-45edcaa13492" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_TemporaryEquitySharesReverseRecapitalization_95c23ebc-cdc2-45b1-95d7-b4bc56035de5" xlink:href="sym-20220924.xsd#sym_TemporaryEquitySharesReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4de34b3-d2a2-4577-bf5c-b6ebe99e4b7f" xlink:to="loc_sym_TemporaryEquitySharesReverseRecapitalization_95c23ebc-cdc2-45b1-95d7-b4bc56035de5" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_TemporaryEquityValueReverseRecapitalization_75388de5-8dac-437b-98aa-b66be1f42005" xlink:href="sym-20220924.xsd#sym_TemporaryEquityValueReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4de34b3-d2a2-4577-bf5c-b6ebe99e4b7f" xlink:to="loc_sym_TemporaryEquityValueReverseRecapitalization_75388de5-8dac-437b-98aa-b66be1f42005" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_59da9864-49b5-4cea-8312-c2c203657be5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_270edc8e-5bda-40ca-98ae-d4ca429f93e8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_7f161e84-9418-446f-aaaa-a64d182e7e18" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_1f6699a9-a717-4f90-917e-3de566668e19" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_us-gaap_SharesOutstanding_1f6699a9-a717-4f90-917e-3de566668e19" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_59c18854-096c-41d5-9577-f92c6756d710" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_59c18854-096c-41d5-9577-f92c6756d710" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockholdersEquityAccretionOfTemporaryEquity_c78be10d-8873-489d-9b7f-4185378c7ccf" xlink:href="sym-20220924.xsd#sym_StockholdersEquityAccretionOfTemporaryEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockholdersEquityAccretionOfTemporaryEquity_c78be10d-8873-489d-9b7f-4185378c7ccf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockholdersEquityPreferredReturn_8ce772ce-0ca8-4635-a65b-7c878ea148c1" xlink:href="sym-20220924.xsd#sym_StockholdersEquityPreferredReturn"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockholdersEquityPreferredReturn_8ce772ce-0ca8-4635-a65b-7c878ea148c1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_af7f161e-d43c-450c-b840-5bc701b15460" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_af7f161e-d43c-450c-b840-5bc701b15460" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_0bf243b7-9ab6-483e-a407-faacc9479675" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_0bf243b7-9ab6-483e-a407-faacc9479675" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodSharesSponsorIssues_f081df73-25c5-44fc-bb8f-665b571c2006" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodSharesSponsorIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockIssuedDuringPeriodSharesSponsorIssues_f081df73-25c5-44fc-bb8f-665b571c2006" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodValueSponsorIssues_a0981e91-b6de-459b-ba07-8ba94c840a23" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodValueSponsorIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockIssuedDuringPeriodValueSponsorIssues_a0981e91-b6de-459b-ba07-8ba94c840a23" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodSharesEarnoutUnits_1d6a5dea-df57-490a-b987-005e8b5960aa" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodSharesEarnoutUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockIssuedDuringPeriodSharesEarnoutUnits_1d6a5dea-df57-490a-b987-005e8b5960aa" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodValueEarnoutUnits_59b0caed-bf55-4fe9-8a37-ec124a6a3a67" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodValueEarnoutUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockIssuedDuringPeriodValueEarnoutUnits_59b0caed-bf55-4fe9-8a37-ec124a6a3a67" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodSharesExchangeOfClassV1CommonStock_4f72cd6b-4c4d-49e7-8315-520aa9d096c9" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodSharesExchangeOfClassV1CommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockIssuedDuringPeriodSharesExchangeOfClassV1CommonStock_4f72cd6b-4c4d-49e7-8315-520aa9d096c9" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodValueExchangeOfClassV1CommonStock_edf46a70-0cd7-4279-828d-853d706176f1" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodValueExchangeOfClassV1CommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockIssuedDuringPeriodValueExchangeOfClassV1CommonStock_edf46a70-0cd7-4279-828d-853d706176f1" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_fcabf9fa-8d38-4598-8431-4f7336a4f497" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_fcabf9fa-8d38-4598-8431-4f7336a4f497" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_b5c7ec24-447e-4bd6-a36f-086a702cadf6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_b5c7ec24-447e-4bd6-a36f-086a702cadf6" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_9a980f12-1f56-444b-b702-37000844f310" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_9a980f12-1f56-444b-b702-37000844f310" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodSharesWarrantsExercised_ca1cad30-2456-48fc-861f-7c54210e5793" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodSharesWarrantsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockIssuedDuringPeriodSharesWarrantsExercised_ca1cad30-2456-48fc-861f-7c54210e5793" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodValueWarrantsExercised_b7c94537-65cc-4c82-b720-e479112b16d4" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodValueWarrantsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockIssuedDuringPeriodValueWarrantsExercised_b7c94537-65cc-4c82-b720-e479112b16d4" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodSharesReverseRecapitalizationAndCreationOfNoncontrollingInterest_a97bb1a9-3cea-4373-a060-12910b836b27" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodSharesReverseRecapitalizationAndCreationOfNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockIssuedDuringPeriodSharesReverseRecapitalizationAndCreationOfNoncontrollingInterest_a97bb1a9-3cea-4373-a060-12910b836b27" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest_0f981d99-2303-4ae5-a7cf-75310734d618" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest_0f981d99-2303-4ae5-a7cf-75310734d618" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodSharesReverseRecapitalization_cb49d53e-5528-4522-a497-adaa9008a93e" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodSharesReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockIssuedDuringPeriodSharesReverseRecapitalization_cb49d53e-5528-4522-a497-adaa9008a93e" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodValueReverseRecapitalization_ef056919-e3f0-4d27-a4d3-36828f7afce4" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodValueReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_sym_StockIssuedDuringPeriodValueReverseRecapitalization_ef056919-e3f0-4d27-a4d3-36828f7afce4" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_1097ea01-e99b-427b-a4ca-bf0a105b1653" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_us-gaap_ProfitLoss_1097ea01-e99b-427b-a4ca-bf0a105b1653" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_967b2624-7961-41c8-b6ad-a56980eda5f9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_71a28f49-4432-4fb2-9eb1-f057ab38fd17" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_967b2624-7961-41c8-b6ad-a56980eda5f9" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_e2158f1b-f3ac-461f-9e1f-3e85738df662" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_41a7c291-3124-498f-bd26-c8d0b9b500ec" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_33a190f8-bcfb-4d58-aefa-444be1b26017" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_7f161e84-9418-446f-aaaa-a64d182e7e18" xlink:to="loc_us-gaap_StatementTable_33a190f8-bcfb-4d58-aefa-444be1b26017" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_add925e5-f442-4e19-8354-2daf45666860" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_33a190f8-bcfb-4d58-aefa-444be1b26017" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_add925e5-f442-4e19-8354-2daf45666860" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_add925e5-f442-4e19-8354-2daf45666860_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_add925e5-f442-4e19-8354-2daf45666860" xlink:to="loc_us-gaap_EquityComponentDomain_add925e5-f442-4e19-8354-2daf45666860_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_d57da8fb-6d2c-4c87-a4cb-cf0772b96d73" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_add925e5-f442-4e19-8354-2daf45666860" xlink:to="loc_us-gaap_EquityComponentDomain_d57da8fb-6d2c-4c87-a4cb-cf0772b96d73" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_aaa2888b-21e2-4c1d-b1be-2d2cd3bc2537" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_d57da8fb-6d2c-4c87-a4cb-cf0772b96d73" xlink:to="loc_us-gaap_CommonStockMember_aaa2888b-21e2-4c1d-b1be-2d2cd3bc2537" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAdditionalCapitalMember_7ff9597c-154d-484d-9ec1-3fbfc86fdb56" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAdditionalCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_d57da8fb-6d2c-4c87-a4cb-cf0772b96d73" xlink:to="loc_us-gaap_OtherAdditionalCapitalMember_7ff9597c-154d-484d-9ec1-3fbfc86fdb56" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_bb5e6241-7c04-4688-a671-cc28021a3a33" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_d57da8fb-6d2c-4c87-a4cb-cf0772b96d73" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_bb5e6241-7c04-4688-a671-cc28021a3a33" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_001ded1a-844e-42a4-87ad-49a7b9745063" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_d57da8fb-6d2c-4c87-a4cb-cf0772b96d73" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_001ded1a-844e-42a4-87ad-49a7b9745063" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_62787121-6081-48c3-9a16-2fa2f9272504" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_d57da8fb-6d2c-4c87-a4cb-cf0772b96d73" xlink:to="loc_us-gaap_RetainedEarningsMember_62787121-6081-48c3-9a16-2fa2f9272504" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_d098af21-7e69-4cfa-9030-3b5eae9fa8cc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_d57da8fb-6d2c-4c87-a4cb-cf0772b96d73" xlink:to="loc_us-gaap_NoncontrollingInterestMember_d098af21-7e69-4cfa-9030-3b5eae9fa8cc" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_86f4a190-ea36-4551-a013-56575369d931" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_33a190f8-bcfb-4d58-aefa-444be1b26017" xlink:to="loc_us-gaap_StatementClassOfStockAxis_86f4a190-ea36-4551-a013-56575369d931" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_86f4a190-ea36-4551-a013-56575369d931_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_86f4a190-ea36-4551-a013-56575369d931" xlink:to="loc_us-gaap_ClassOfStockDomain_86f4a190-ea36-4551-a013-56575369d931_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_8f46071f-5adb-4a1e-9c02-084cb7985534" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_86f4a190-ea36-4551-a013-56575369d931" xlink:to="loc_us-gaap_ClassOfStockDomain_8f46071f-5adb-4a1e-9c02-084cb7985534" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemableCommonUnitsClassCMember_2931d451-a314-4035-b2eb-d252a58b87af" xlink:href="sym-20220924.xsd#sym_RedeemableCommonUnitsClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_8f46071f-5adb-4a1e-9c02-084cb7985534" xlink:to="loc_sym_RedeemableCommonUnitsClassCMember_2931d451-a314-4035-b2eb-d252a58b87af" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemablePreferredUnitsClassB1Member_bf8aacb1-f389-4aee-89e0-3f3ff031d7fa" xlink:href="sym-20220924.xsd#sym_RedeemablePreferredUnitsClassB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_8f46071f-5adb-4a1e-9c02-084cb7985534" xlink:to="loc_sym_RedeemablePreferredUnitsClassB1Member_bf8aacb1-f389-4aee-89e0-3f3ff031d7fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemablePreferredUnitsClassBMember_00e9c6e5-cdd7-4369-b13c-3f7c2e4ccf3a" xlink:href="sym-20220924.xsd#sym_RedeemablePreferredUnitsClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_8f46071f-5adb-4a1e-9c02-084cb7985534" xlink:to="loc_sym_RedeemablePreferredUnitsClassBMember_00e9c6e5-cdd7-4369-b13c-3f7c2e4ccf3a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassAVotingUnitsMember_bf688ef0-9ab7-43e0-a6f2-d221929449ad" xlink:href="sym-20220924.xsd#sym_CommonClassAVotingUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_8f46071f-5adb-4a1e-9c02-084cb7985534" xlink:to="loc_sym_CommonClassAVotingUnitsMember_bf688ef0-9ab7-43e0-a6f2-d221929449ad" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_a31c235c-6127-4449-acf2-2a68e425b581" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_8f46071f-5adb-4a1e-9c02-084cb7985534" xlink:to="loc_us-gaap_CommonClassAMember_a31c235c-6127-4449-acf2-2a68e425b581" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV1Member_84ad6890-8ccc-46df-9b4a-24a9ccbd0ec9" xlink:href="sym-20220924.xsd#sym_CommonClassV1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_8f46071f-5adb-4a1e-9c02-084cb7985534" xlink:to="loc_sym_CommonClassV1Member_84ad6890-8ccc-46df-9b4a-24a9ccbd0ec9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV3Member_9cd32fbb-dee9-44aa-be56-5023fde3dab9" xlink:href="sym-20220924.xsd#sym_CommonClassV3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_8f46071f-5adb-4a1e-9c02-084cb7985534" xlink:to="loc_sym_CommonClassV3Member_9cd32fbb-dee9-44aa-be56-5023fde3dab9" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementAxis_fa7d5f77-54d5-49f3-a4bf-4b39a483432a" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_33a190f8-bcfb-4d58-aefa-444be1b26017" xlink:to="loc_srt_RestatementAxis_fa7d5f77-54d5-49f3-a4bf-4b39a483432a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_fa7d5f77-54d5-49f3-a4bf-4b39a483432a_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RestatementAxis_fa7d5f77-54d5-49f3-a4bf-4b39a483432a" xlink:to="loc_srt_RestatementDomain_fa7d5f77-54d5-49f3-a4bf-4b39a483432a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_77220b52-d0ea-4edb-87f5-1baa31e55715" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RestatementAxis_fa7d5f77-54d5-49f3-a4bf-4b39a483432a" xlink:to="loc_srt_RestatementDomain_77220b52-d0ea-4edb-87f5-1baa31e55715" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioPreviouslyReportedMember_5808086f-d0fe-4b96-98f8-5e7f09239a7d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioPreviouslyReportedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RestatementDomain_77220b52-d0ea-4edb-87f5-1baa31e55715" xlink:to="loc_srt_ScenarioPreviouslyReportedMember_5808086f-d0fe-4b96-98f8-5e7f09239a7d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementAdjustmentMember_208aea17-4482-469a-9f7e-f2d592ef01ec" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RestatementDomain_77220b52-d0ea-4edb-87f5-1baa31e55715" xlink:to="loc_srt_RestatementAdjustmentMember_208aea17-4482-469a-9f7e-f2d592ef01ec" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/ConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="sym-20220924.xsd#ConsolidatedStatementsofCashFlows"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/ConsolidatedStatementsofCashFlows" xlink:type="extended" id="ia09ae3c1d10a4d47b07179ae7e566e73_ConsolidatedStatementsofCashFlows">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_efdef1ab-07d9-48d5-aae7-40180737e8b0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1a98ff67-6c30-4e61-8546-b3190729b06e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_efdef1ab-07d9-48d5-aae7-40180737e8b0" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1a98ff67-6c30-4e61-8546-b3190729b06e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_47151d68-ed82-46d9-9129-3f02374ce86b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1a98ff67-6c30-4e61-8546-b3190729b06e" xlink:to="loc_us-gaap_ProfitLoss_47151d68-ed82-46d9-9129-3f02374ce86b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_a3f5b338-fa7f-416e-8400-a6a31e5381a8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1a98ff67-6c30-4e61-8546-b3190729b06e" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_a3f5b338-fa7f-416e-8400-a6a31e5381a8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_e9e91925-a33f-49d6-941c-297c3055f477" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_a3f5b338-fa7f-416e-8400-a6a31e5381a8" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_e9e91925-a33f-49d6-941c-297c3055f477" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_e2606a62-e0c6-4aeb-9e35-fbdc1e8602b3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_a3f5b338-fa7f-416e-8400-a6a31e5381a8" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_e2606a62-e0c6-4aeb-9e35-fbdc1e8602b3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_9a88adb5-690f-4dee-b52c-e53342b624e1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnDispositionOfAssets1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_a3f5b338-fa7f-416e-8400-a6a31e5381a8" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_9a88adb5-690f-4dee-b52c-e53342b624e1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_e4929c98-64e4-47d6-ae8c-58f59a2127ad" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_a3f5b338-fa7f-416e-8400-a6a31e5381a8" xlink:to="loc_us-gaap_ShareBasedCompensation_e4929c98-64e4-47d6-ae8c-58f59a2127ad" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_240592ad-73a8-4131-8811-0586f6494113" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_a3f5b338-fa7f-416e-8400-a6a31e5381a8" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_240592ad-73a8-4131-8811-0586f6494113" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10259573-c708-44e8-a48f-f8520ecebac8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_a3f5b338-fa7f-416e-8400-a6a31e5381a8" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10259573-c708-44e8-a48f-f8520ecebac8" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_f335245c-c1f3-4b48-81cd-a2faf50fc540" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10259573-c708-44e8-a48f-f8520ecebac8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_f335245c-c1f3-4b48-81cd-a2faf50fc540" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_d9e83a15-6854-4604-9bef-c9ffadc6c72b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10259573-c708-44e8-a48f-f8520ecebac8" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_d9e83a15-6854-4604-9bef-c9ffadc6c72b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_461a3c75-f414-406f-a59f-312cb50a8981" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10259573-c708-44e8-a48f-f8520ecebac8" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_461a3c75-f414-406f-a59f-312cb50a8981" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredCharges_6a6a5a1c-17aa-41f3-aab7-cf9323c39ca3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInDeferredCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10259573-c708-44e8-a48f-f8520ecebac8" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredCharges_6a6a5a1c-17aa-41f3-aab7-cf9323c39ca3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_11aacfe3-2ead-4050-9641-908a6be2d46e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10259573-c708-44e8-a48f-f8520ecebac8" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_11aacfe3-2ead-4050-9641-908a6be2d46e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_a5da3392-8554-4af2-ba46-fdbe5a49e8ed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10259573-c708-44e8-a48f-f8520ecebac8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_a5da3392-8554-4af2-ba46-fdbe5a49e8ed" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_b0de9fea-a3bd-471c-ac86-881006ac47ea" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10259573-c708-44e8-a48f-f8520ecebac8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_b0de9fea-a3bd-471c-ac86-881006ac47ea" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_0e16f996-c7f8-4630-b4c0-a43333815f6a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10259573-c708-44e8-a48f-f8520ecebac8" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_0e16f996-c7f8-4630-b4c0-a43333815f6a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_629cd9aa-baee-4892-b210-7db953f30f57" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10259573-c708-44e8-a48f-f8520ecebac8" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_629cd9aa-baee-4892-b210-7db953f30f57" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_bf278911-7724-4984-965f-bfce0c1d8a50" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1a98ff67-6c30-4e61-8546-b3190729b06e" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_bf278911-7724-4984-965f-bfce0c1d8a50" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0f046077-3147-456b-a307-8bf1f66d4843" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_efdef1ab-07d9-48d5-aae7-40180737e8b0" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0f046077-3147-456b-a307-8bf1f66d4843" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_d87aeb0c-7c2f-4da1-abc8-81ccbd56ebf8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0f046077-3147-456b-a307-8bf1f66d4843" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_d87aeb0c-7c2f-4da1-abc8-81ccbd56ebf8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSalesOfAssetsInvestingActivities_41dbb69b-fe52-4051-8159-01bd807db71d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSalesOfAssetsInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0f046077-3147-456b-a307-8bf1f66d4843" xlink:to="loc_us-gaap_ProceedsFromSalesOfAssetsInvestingActivities_41dbb69b-fe52-4051-8159-01bd807db71d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1fa88a00-72ce-4fd9-92c3-d8ac3dde395c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0f046077-3147-456b-a307-8bf1f66d4843" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1fa88a00-72ce-4fd9-92c3-d8ac3dde395c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_361946e8-63c1-4c45-9de8-9e3b9ea7bbe7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_efdef1ab-07d9-48d5-aae7-40180737e8b0" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_361946e8-63c1-4c45-9de8-9e3b9ea7bbe7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonLimitedPartnersUnits_72b464d9-aa42-491e-b0ce-b536c7cb9243" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfCommonLimitedPartnersUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_361946e8-63c1-4c45-9de8-9e3b9ea7bbe7" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonLimitedPartnersUnits_72b464d9-aa42-491e-b0ce-b536c7cb9243" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_f52bee7c-b491-40b5-b7e3-d5e067780466" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToMinorityShareholders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_361946e8-63c1-4c45-9de8-9e3b9ea7bbe7" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_f52bee7c-b491-40b5-b7e3-d5e067780466" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromWarrantExercises_9bc32d87-7cea-45e1-a5ea-41e83daf586d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromWarrantExercises"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_361946e8-63c1-4c45-9de8-9e3b9ea7bbe7" xlink:to="loc_us-gaap_ProceedsFromWarrantExercises_9bc32d87-7cea-45e1-a5ea-41e83daf586d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfPreferredLimitedPartnersUnits_3cc001ee-3616-4798-a18e-d74aa4142cf1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfPreferredLimitedPartnersUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_361946e8-63c1-4c45-9de8-9e3b9ea7bbe7" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfPreferredLimitedPartnersUnits_3cc001ee-3616-4798-a18e-d74aa4142cf1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_51f158ea-67bd-4329-ade2-78c6ee0149ad" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_361946e8-63c1-4c45-9de8-9e3b9ea7bbe7" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_51f158ea-67bd-4329-ade2-78c6ee0149ad" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_3e280fca-107a-468c-ada4-846fd3b65e75" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_efdef1ab-07d9-48d5-aae7-40180737e8b0" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_3e280fca-107a-468c-ada4-846fd3b65e75" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_516b12bf-5af2-4785-aa90-5b2719953018" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_efdef1ab-07d9-48d5-aae7-40180737e8b0" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_516b12bf-5af2-4785-aa90-5b2719953018" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_498b3e3c-aeb1-4d60-b77c-cdf5e1f5b7db" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_efdef1ab-07d9-48d5-aae7-40180737e8b0" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_498b3e3c-aeb1-4d60-b77c-cdf5e1f5b7db" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_b0c6ffa0-86f3-46a8-834b-86fd75327309" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_884e0132-ff4c-409a-a952-780e830330f4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NoncashInvestingAndFinancingItemsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_efdef1ab-07d9-48d5-aae7-40180737e8b0" xlink:to="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_884e0132-ff4c-409a-a952-780e830330f4" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssued1_79ce11dd-ecef-4744-b8bc-6774290307d5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssued1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_884e0132-ff4c-409a-a952-780e830330f4" xlink:to="loc_us-gaap_StockIssued1_79ce11dd-ecef-4744-b8bc-6774290307d5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_fee67dc6-f167-4d82-b8df-92d8173460e4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_efdef1ab-07d9-48d5-aae7-40180737e8b0" xlink:to="loc_us-gaap_StatementTable_fee67dc6-f167-4d82-b8df-92d8173460e4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_32a48bd3-218e-4dd3-a97a-bc7c07afd309" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_fee67dc6-f167-4d82-b8df-92d8173460e4" xlink:to="loc_us-gaap_StatementClassOfStockAxis_32a48bd3-218e-4dd3-a97a-bc7c07afd309" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_32a48bd3-218e-4dd3-a97a-bc7c07afd309_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_32a48bd3-218e-4dd3-a97a-bc7c07afd309" xlink:to="loc_us-gaap_ClassOfStockDomain_32a48bd3-218e-4dd3-a97a-bc7c07afd309_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_4ed2a8ff-0e4e-4da5-b59f-8611079a0b15" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_32a48bd3-218e-4dd3-a97a-bc7c07afd309" xlink:to="loc_us-gaap_ClassOfStockDomain_4ed2a8ff-0e4e-4da5-b59f-8611079a0b15" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemablePreferredUnitsClassB1Member_4409d3ff-a5c0-46e7-8b57-c782ea9706e1" xlink:href="sym-20220924.xsd#sym_RedeemablePreferredUnitsClassB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_4ed2a8ff-0e4e-4da5-b59f-8611079a0b15" xlink:to="loc_sym_RedeemablePreferredUnitsClassB1Member_4409d3ff-a5c0-46e7-8b57-c782ea9706e1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemablePreferredUnitsClassBMember_aac58775-4f66-4cec-9084-ef1687e6ce8f" xlink:href="sym-20220924.xsd#sym_RedeemablePreferredUnitsClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_4ed2a8ff-0e4e-4da5-b59f-8611079a0b15" xlink:to="loc_sym_RedeemablePreferredUnitsClassBMember_aac58775-4f66-4cec-9084-ef1687e6ce8f" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#SummaryofSignificantAccountingPoliciesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended" id="i7e46e12adc6345d1a0767ab48b9d5e75_SummaryofSignificantAccountingPoliciesNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProductInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_c0daec41-293a-43be-a7ab-e352ace6f590" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_c0daec41-293a-43be-a7ab-e352ace6f590" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_TaxReceivableAgreementNetCashSavingsPercentage_e53d37a5-10ab-46db-8ce4-00a56c67e0aa" xlink:href="sym-20220924.xsd#sym_TaxReceivableAgreementNetCashSavingsPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_TaxReceivableAgreementNetCashSavingsPercentage_e53d37a5-10ab-46db-8ce4-00a56c67e0aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_cc8cf7c7-95c3-4c82-a7a9-3508e656243d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_NumberOfOperatingSegments_cc8cf7c7-95c3-4c82-a7a9-3508e656243d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_727ec432-411a-4bfc-b0ca-047f39e38b5d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_727ec432-411a-4bfc-b0ca-047f39e38b5d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_AccountsReceivablePaymentPeriod_e0fd5d11-3c42-4355-b7d7-753f92e3dff3" xlink:href="sym-20220924.xsd#sym_AccountsReceivablePaymentPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_AccountsReceivablePaymentPeriod_e0fd5d11-3c42-4355-b7d7-753f92e3dff3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ConcentrationRiskAmount_a02b9e0e-f5cd-4fb5-94ea-4c9fe8b49db9" xlink:href="sym-20220924.xsd#sym_ConcentrationRiskAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_ConcentrationRiskAmount_a02b9e0e-f5cd-4fb5-94ea-4c9fe8b49db9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_PropertyPlantAndEquipmentPerUnitValueThreshold_1b7abb30-d161-4149-a95d-b716375e06d7" xlink:href="sym-20220924.xsd#sym_PropertyPlantAndEquipmentPerUnitValueThreshold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_PropertyPlantAndEquipmentPerUnitValueThreshold_1b7abb30-d161-4149-a95d-b716375e06d7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_PropertyPlantAndEquipmentUsefulLifeThreshold_46d6f9fa-4336-4dbf-b27f-a2ca227a9991" xlink:href="sym-20220924.xsd#sym_PropertyPlantAndEquipmentUsefulLifeThreshold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_PropertyPlantAndEquipmentUsefulLifeThreshold_46d6f9fa-4336-4dbf-b27f-a2ca227a9991" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_c3f12987-0767-4b29-b86b-5aae6e91f140" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_AssetImpairmentCharges_c3f12987-0767-4b29-b86b-5aae6e91f140" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_2621dfb6-5654-4dc7-bc16-505fedfd1f62" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_2621dfb6-5654-4dc7-bc16-505fedfd1f62" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ContractWithCustomerSalesReturnsAndAllowances_1a840ff4-354c-4d37-acb9-38ad85802726" xlink:href="sym-20220924.xsd#sym_ContractWithCustomerSalesReturnsAndAllowances"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_ContractWithCustomerSalesReturnsAndAllowances_1a840ff4-354c-4d37-acb9-38ad85802726" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_bd06f7cf-d1e4-456f-bf0a-b8a9ae806bc5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_bd06f7cf-d1e4-456f-bf0a-b8a9ae806bc5" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightVestingPercentageOfOutstandingAndIssuableShare_dadc3934-d63f-4274-bb9c-2b7ab67cab2e" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightVestingPercentageOfOutstandingAndIssuableShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_ClassOfWarrantOrRightVestingPercentageOfOutstandingAndIssuableShare_dadc3934-d63f-4274-bb9c-2b7ab67cab2e" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightVestedInPeriod_dfa1b3a5-8faa-4478-8321-b9a97f5a37d4" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_ClassOfWarrantOrRightVestedInPeriod_dfa1b3a5-8faa-4478-8321-b9a97f5a37d4" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_5a50468b-12b1-48ac-bf52-7a1ac4b19821" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_5a50468b-12b1-48ac-bf52-7a1ac4b19821" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightVestingTermsPercentageOfOutstandingStockMaximum_78bc7633-2989-4dfb-9bdb-ae34b93a7ff2" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightVestingTermsPercentageOfOutstandingStockMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_ClassOfWarrantOrRightVestingTermsPercentageOfOutstandingStockMaximum_78bc7633-2989-4dfb-9bdb-ae34b93a7ff2" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_TaxReceivableAgreementAmountPayablePercentageOfTaxSavings_211876d4-689e-431f-a65f-005506bbb710" xlink:href="sym-20220924.xsd#sym_TaxReceivableAgreementAmountPayablePercentageOfTaxSavings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_TaxReceivableAgreementAmountPayablePercentageOfTaxSavings_211876d4-689e-431f-a65f-005506bbb710" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfProductInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_fb6afcc7-a6a9-4429-b038-8bf427f0dbb5" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_srt_MajorCustomersAxis_fb6afcc7-a6a9-4429-b038-8bf427f0dbb5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_fb6afcc7-a6a9-4429-b038-8bf427f0dbb5_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_fb6afcc7-a6a9-4429-b038-8bf427f0dbb5" xlink:to="loc_srt_NameOfMajorCustomerDomain_fb6afcc7-a6a9-4429-b038-8bf427f0dbb5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_d6e879c3-8a1e-483d-b3d0-69bce37cd8bb" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_fb6afcc7-a6a9-4429-b038-8bf427f0dbb5" xlink:to="loc_srt_NameOfMajorCustomerDomain_d6e879c3-8a1e-483d-b3d0-69bce37cd8bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_OneSupplierMember_fce2c411-ffde-45c5-8f66-71a2bb70a462" xlink:href="sym-20220924.xsd#sym_OneSupplierMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_d6e879c3-8a1e-483d-b3d0-69bce37cd8bb" xlink:to="loc_sym_OneSupplierMember_fce2c411-ffde-45c5-8f66-71a2bb70a462" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_7b4d4a62-3724-4e99-947b-3b9b57a79d74" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_7b4d4a62-3724-4e99-947b-3b9b57a79d74" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_7b4d4a62-3724-4e99-947b-3b9b57a79d74_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_7b4d4a62-3724-4e99-947b-3b9b57a79d74" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_7b4d4a62-3724-4e99-947b-3b9b57a79d74_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b90abb50-6cd8-4de3-abb3-6d81f8f0b944" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_7b4d4a62-3724-4e99-947b-3b9b57a79d74" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b90abb50-6cd8-4de3-abb3-6d81f8f0b944" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerMember_110d5bec-5c84-4d24-b8b5-f03f231b67e9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b90abb50-6cd8-4de3-abb3-6d81f8f0b944" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerMember_110d5bec-5c84-4d24-b8b5-f03f231b67e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_192fac34-1600-40e4-818d-fda25568da2c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b90abb50-6cd8-4de3-abb3-6d81f8f0b944" xlink:to="loc_us-gaap_AccountsReceivableMember_192fac34-1600-40e4-818d-fda25568da2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsTotalMember_e3947720-cd58-4693-b83a-b7533b3888c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfGoodsTotalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b90abb50-6cd8-4de3-abb3-6d81f8f0b944" xlink:to="loc_us-gaap_CostOfGoodsTotalMember_e3947720-cd58-4693-b83a-b7533b3888c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_73215103-979f-4d4e-ab2a-38cd095ab4f0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_73215103-979f-4d4e-ab2a-38cd095ab4f0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_73215103-979f-4d4e-ab2a-38cd095ab4f0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_73215103-979f-4d4e-ab2a-38cd095ab4f0" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_73215103-979f-4d4e-ab2a-38cd095ab4f0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_91581c4e-eead-47ff-92fd-dd8899ebd71e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_73215103-979f-4d4e-ab2a-38cd095ab4f0" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_91581c4e-eead-47ff-92fd-dd8899ebd71e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_cb0491a7-704c-4269-9fc9-4d19bd7f386c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_91581c4e-eead-47ff-92fd-dd8899ebd71e" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_cb0491a7-704c-4269-9fc9-4d19bd7f386c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplierConcentrationRiskMember_9d12debc-4270-4172-8170-e24a2e4c39a4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SupplierConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_91581c4e-eead-47ff-92fd-dd8899ebd71e" xlink:to="loc_us-gaap_SupplierConcentrationRiskMember_9d12debc-4270-4172-8170-e24a2e4c39a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_4566f59f-24ce-4dd5-9206-767e29ed859f" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_srt_RangeAxis_4566f59f-24ce-4dd5-9206-767e29ed859f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_4566f59f-24ce-4dd5-9206-767e29ed859f_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_4566f59f-24ce-4dd5-9206-767e29ed859f" xlink:to="loc_srt_RangeMember_4566f59f-24ce-4dd5-9206-767e29ed859f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_5dc7118f-9860-46ba-bf44-0db3a4ad7f18" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_4566f59f-24ce-4dd5-9206-767e29ed859f" xlink:to="loc_srt_RangeMember_5dc7118f-9860-46ba-bf44-0db3a4ad7f18" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_de42e9c6-3a5d-4065-9a52-65d4f68e2771" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5dc7118f-9860-46ba-bf44-0db3a4ad7f18" xlink:to="loc_srt_MinimumMember_de42e9c6-3a5d-4065-9a52-65d4f68e2771" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_40e18717-7f30-4e5e-b2ff-ee4c6414d33d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5dc7118f-9860-46ba-bf44-0db3a4ad7f18" xlink:to="loc_srt_MaximumMember_40e18717-7f30-4e5e-b2ff-ee4c6414d33d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_cd1920ba-c8df-47c5-920f-a12f49686bc3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_us-gaap_AwardTypeAxis_cd1920ba-c8df-47c5-920f-a12f49686bc3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_cd1920ba-c8df-47c5-920f-a12f49686bc3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_cd1920ba-c8df-47c5-920f-a12f49686bc3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_cd1920ba-c8df-47c5-920f-a12f49686bc3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a589c586-c76d-4a22-8898-982bb04b8568" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_cd1920ba-c8df-47c5-920f-a12f49686bc3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a589c586-c76d-4a22-8898-982bb04b8568" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassACommonUnitsMember_7f8aad13-d32a-4997-86c8-dddb1e912375" xlink:href="sym-20220924.xsd#sym_ClassACommonUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a589c586-c76d-4a22-8898-982bb04b8568" xlink:to="loc_sym_ClassACommonUnitsMember_7f8aad13-d32a-4997-86c8-dddb1e912375" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_958481f5-453f-4888-a9f2-9d4809110aee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_958481f5-453f-4888-a9f2-9d4809110aee" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_958481f5-453f-4888-a9f2-9d4809110aee_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_958481f5-453f-4888-a9f2-9d4809110aee" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_958481f5-453f-4888-a9f2-9d4809110aee_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_e7d3e6e5-3000-4809-a00b-7a76818b498f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_958481f5-453f-4888-a9f2-9d4809110aee" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_e7d3e6e5-3000-4809-a00b-7a76818b498f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_WarrantsMember_ce0b9037-6c3e-41f2-a7b6-27eaaf95226d" xlink:href="sym-20220924.xsd#sym_WarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_e7d3e6e5-3000-4809-a00b-7a76818b498f" xlink:to="loc_sym_WarrantsMember_ce0b9037-6c3e-41f2-a7b6-27eaaf95226d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_May2022WarrantsMember_f2ac89a6-b017-4dbb-add3-6f0859866ce6" xlink:href="sym-20220924.xsd#sym_May2022WarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_e7d3e6e5-3000-4809-a00b-7a76818b498f" xlink:to="loc_sym_May2022WarrantsMember_f2ac89a6-b017-4dbb-add3-6f0859866ce6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_June2022WarrantsMember_ee6ec51b-3dd4-49b9-bdbf-20f19bc6a2d9" xlink:href="sym-20220924.xsd#sym_June2022WarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_e7d3e6e5-3000-4809-a00b-7a76818b498f" xlink:to="loc_sym_June2022WarrantsMember_ee6ec51b-3dd4-49b9-bdbf-20f19bc6a2d9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_ec33c511-d002-4607-b01b-781b5f210516" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_us-gaap_VestingAxis_ec33c511-d002-4607-b01b-781b5f210516" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_ec33c511-d002-4607-b01b-781b5f210516_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_ec33c511-d002-4607-b01b-781b5f210516" xlink:to="loc_us-gaap_VestingDomain_ec33c511-d002-4607-b01b-781b5f210516_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_8104236e-fc9b-4f41-bbae-6b2d7001bcb6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_ec33c511-d002-4607-b01b-781b5f210516" xlink:to="loc_us-gaap_VestingDomain_8104236e-fc9b-4f41-bbae-6b2d7001bcb6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_a5a5f938-aae1-49e8-afc3-cbfb73b96876" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_8104236e-fc9b-4f41-bbae-6b2d7001bcb6" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_a5a5f938-aae1-49e8-afc3-cbfb73b96876" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_d56f1e9b-48fe-4c84-85bf-697f44e4b8f1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_8104236e-fc9b-4f41-bbae-6b2d7001bcb6" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_d56f1e9b-48fe-4c84-85bf-697f44e4b8f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_8408afb8-4221-45a8-b0e5-dc409d7dee99" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_srt_ProductOrServiceAxis_8408afb8-4221-45a8-b0e5-dc409d7dee99" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_8408afb8-4221-45a8-b0e5-dc409d7dee99_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_8408afb8-4221-45a8-b0e5-dc409d7dee99" xlink:to="loc_srt_ProductsAndServicesDomain_8408afb8-4221-45a8-b0e5-dc409d7dee99_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_f85d9bf8-0c3a-48ed-8cf2-2943e076fe2c" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_8408afb8-4221-45a8-b0e5-dc409d7dee99" xlink:to="loc_srt_ProductsAndServicesDomain_f85d9bf8-0c3a-48ed-8cf2-2943e076fe2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_SoftwareMaintenanceAndSupportContractsMember_ffd057aa-fa2e-47ad-9fa3-553485796835" xlink:href="sym-20220924.xsd#sym_SoftwareMaintenanceAndSupportContractsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_f85d9bf8-0c3a-48ed-8cf2-2943e076fe2c" xlink:to="loc_sym_SoftwareMaintenanceAndSupportContractsMember_ffd057aa-fa2e-47ad-9fa3-553485796835" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_935db6de-a7c0-4eb7-bc97-1d2d40b641d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_935db6de-a7c0-4eb7-bc97-1d2d40b641d8" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails_1" xlink:type="simple" xlink:href="sym-20220924.xsd#SummaryofSignificantAccountingPoliciesNarrativeDetails_1"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails_1" xlink:type="extended" id="ia739deb7341b46369ecf319f348e7070_SummaryofSignificantAccountingPoliciesNarrativeDetails_1">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProductInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_c0daec41-293a-43be-a7ab-e352ace6f590" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_c0daec41-293a-43be-a7ab-e352ace6f590" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_TaxReceivableAgreementNetCashSavingsPercentage_e53d37a5-10ab-46db-8ce4-00a56c67e0aa" xlink:href="sym-20220924.xsd#sym_TaxReceivableAgreementNetCashSavingsPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_TaxReceivableAgreementNetCashSavingsPercentage_e53d37a5-10ab-46db-8ce4-00a56c67e0aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_cc8cf7c7-95c3-4c82-a7a9-3508e656243d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_NumberOfOperatingSegments_cc8cf7c7-95c3-4c82-a7a9-3508e656243d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_727ec432-411a-4bfc-b0ca-047f39e38b5d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_727ec432-411a-4bfc-b0ca-047f39e38b5d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_AccountsReceivablePaymentPeriod_e0fd5d11-3c42-4355-b7d7-753f92e3dff3" xlink:href="sym-20220924.xsd#sym_AccountsReceivablePaymentPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_AccountsReceivablePaymentPeriod_e0fd5d11-3c42-4355-b7d7-753f92e3dff3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ConcentrationRiskAmount_a02b9e0e-f5cd-4fb5-94ea-4c9fe8b49db9" xlink:href="sym-20220924.xsd#sym_ConcentrationRiskAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_ConcentrationRiskAmount_a02b9e0e-f5cd-4fb5-94ea-4c9fe8b49db9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_PropertyPlantAndEquipmentPerUnitValueThreshold_1b7abb30-d161-4149-a95d-b716375e06d7" xlink:href="sym-20220924.xsd#sym_PropertyPlantAndEquipmentPerUnitValueThreshold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_PropertyPlantAndEquipmentPerUnitValueThreshold_1b7abb30-d161-4149-a95d-b716375e06d7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_PropertyPlantAndEquipmentUsefulLifeThreshold_46d6f9fa-4336-4dbf-b27f-a2ca227a9991" xlink:href="sym-20220924.xsd#sym_PropertyPlantAndEquipmentUsefulLifeThreshold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_PropertyPlantAndEquipmentUsefulLifeThreshold_46d6f9fa-4336-4dbf-b27f-a2ca227a9991" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_c3f12987-0767-4b29-b86b-5aae6e91f140" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_AssetImpairmentCharges_c3f12987-0767-4b29-b86b-5aae6e91f140" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_2621dfb6-5654-4dc7-bc16-505fedfd1f62" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_2621dfb6-5654-4dc7-bc16-505fedfd1f62" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ContractWithCustomerSalesReturnsAndAllowances_1a840ff4-354c-4d37-acb9-38ad85802726" xlink:href="sym-20220924.xsd#sym_ContractWithCustomerSalesReturnsAndAllowances"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_ContractWithCustomerSalesReturnsAndAllowances_1a840ff4-354c-4d37-acb9-38ad85802726" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_bd06f7cf-d1e4-456f-bf0a-b8a9ae806bc5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_bd06f7cf-d1e4-456f-bf0a-b8a9ae806bc5" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightVestingPercentageOfOutstandingAndIssuableShare_dadc3934-d63f-4274-bb9c-2b7ab67cab2e" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightVestingPercentageOfOutstandingAndIssuableShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_ClassOfWarrantOrRightVestingPercentageOfOutstandingAndIssuableShare_dadc3934-d63f-4274-bb9c-2b7ab67cab2e" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightVestedInPeriod_dfa1b3a5-8faa-4478-8321-b9a97f5a37d4" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_ClassOfWarrantOrRightVestedInPeriod_dfa1b3a5-8faa-4478-8321-b9a97f5a37d4" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_5a50468b-12b1-48ac-bf52-7a1ac4b19821" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_5a50468b-12b1-48ac-bf52-7a1ac4b19821" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightVestingTermsPercentageOfOutstandingStockMaximum_78bc7633-2989-4dfb-9bdb-ae34b93a7ff2" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightVestingTermsPercentageOfOutstandingStockMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_ClassOfWarrantOrRightVestingTermsPercentageOfOutstandingStockMaximum_78bc7633-2989-4dfb-9bdb-ae34b93a7ff2" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_TaxReceivableAgreementAmountPayablePercentageOfTaxSavings_211876d4-689e-431f-a65f-005506bbb710" xlink:href="sym-20220924.xsd#sym_TaxReceivableAgreementAmountPayablePercentageOfTaxSavings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_sym_TaxReceivableAgreementAmountPayablePercentageOfTaxSavings_211876d4-689e-431f-a65f-005506bbb710" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfProductInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ProductInformationLineItems_4ff128f3-1d33-4fbe-baf0-93fbada863c8" xlink:to="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_fb6afcc7-a6a9-4429-b038-8bf427f0dbb5" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_srt_MajorCustomersAxis_fb6afcc7-a6a9-4429-b038-8bf427f0dbb5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_fb6afcc7-a6a9-4429-b038-8bf427f0dbb5_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_fb6afcc7-a6a9-4429-b038-8bf427f0dbb5" xlink:to="loc_srt_NameOfMajorCustomerDomain_fb6afcc7-a6a9-4429-b038-8bf427f0dbb5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_d6e879c3-8a1e-483d-b3d0-69bce37cd8bb" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_fb6afcc7-a6a9-4429-b038-8bf427f0dbb5" xlink:to="loc_srt_NameOfMajorCustomerDomain_d6e879c3-8a1e-483d-b3d0-69bce37cd8bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_OneSupplierMember_fce2c411-ffde-45c5-8f66-71a2bb70a462" xlink:href="sym-20220924.xsd#sym_OneSupplierMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_d6e879c3-8a1e-483d-b3d0-69bce37cd8bb" xlink:to="loc_sym_OneSupplierMember_fce2c411-ffde-45c5-8f66-71a2bb70a462" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_7b4d4a62-3724-4e99-947b-3b9b57a79d74" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_7b4d4a62-3724-4e99-947b-3b9b57a79d74" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_7b4d4a62-3724-4e99-947b-3b9b57a79d74_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_7b4d4a62-3724-4e99-947b-3b9b57a79d74" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_7b4d4a62-3724-4e99-947b-3b9b57a79d74_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b90abb50-6cd8-4de3-abb3-6d81f8f0b944" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_7b4d4a62-3724-4e99-947b-3b9b57a79d74" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b90abb50-6cd8-4de3-abb3-6d81f8f0b944" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerMember_110d5bec-5c84-4d24-b8b5-f03f231b67e9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b90abb50-6cd8-4de3-abb3-6d81f8f0b944" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerMember_110d5bec-5c84-4d24-b8b5-f03f231b67e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_192fac34-1600-40e4-818d-fda25568da2c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b90abb50-6cd8-4de3-abb3-6d81f8f0b944" xlink:to="loc_us-gaap_AccountsReceivableMember_192fac34-1600-40e4-818d-fda25568da2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsTotalMember_e3947720-cd58-4693-b83a-b7533b3888c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfGoodsTotalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b90abb50-6cd8-4de3-abb3-6d81f8f0b944" xlink:to="loc_us-gaap_CostOfGoodsTotalMember_e3947720-cd58-4693-b83a-b7533b3888c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_73215103-979f-4d4e-ab2a-38cd095ab4f0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_73215103-979f-4d4e-ab2a-38cd095ab4f0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_73215103-979f-4d4e-ab2a-38cd095ab4f0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_73215103-979f-4d4e-ab2a-38cd095ab4f0" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_73215103-979f-4d4e-ab2a-38cd095ab4f0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_91581c4e-eead-47ff-92fd-dd8899ebd71e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_73215103-979f-4d4e-ab2a-38cd095ab4f0" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_91581c4e-eead-47ff-92fd-dd8899ebd71e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_cb0491a7-704c-4269-9fc9-4d19bd7f386c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_91581c4e-eead-47ff-92fd-dd8899ebd71e" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_cb0491a7-704c-4269-9fc9-4d19bd7f386c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplierConcentrationRiskMember_9d12debc-4270-4172-8170-e24a2e4c39a4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SupplierConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_91581c4e-eead-47ff-92fd-dd8899ebd71e" xlink:to="loc_us-gaap_SupplierConcentrationRiskMember_9d12debc-4270-4172-8170-e24a2e4c39a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_4566f59f-24ce-4dd5-9206-767e29ed859f" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_srt_RangeAxis_4566f59f-24ce-4dd5-9206-767e29ed859f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_4566f59f-24ce-4dd5-9206-767e29ed859f_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_4566f59f-24ce-4dd5-9206-767e29ed859f" xlink:to="loc_srt_RangeMember_4566f59f-24ce-4dd5-9206-767e29ed859f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_5dc7118f-9860-46ba-bf44-0db3a4ad7f18" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_4566f59f-24ce-4dd5-9206-767e29ed859f" xlink:to="loc_srt_RangeMember_5dc7118f-9860-46ba-bf44-0db3a4ad7f18" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_de42e9c6-3a5d-4065-9a52-65d4f68e2771" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5dc7118f-9860-46ba-bf44-0db3a4ad7f18" xlink:to="loc_srt_MinimumMember_de42e9c6-3a5d-4065-9a52-65d4f68e2771" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_40e18717-7f30-4e5e-b2ff-ee4c6414d33d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5dc7118f-9860-46ba-bf44-0db3a4ad7f18" xlink:to="loc_srt_MaximumMember_40e18717-7f30-4e5e-b2ff-ee4c6414d33d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_cd1920ba-c8df-47c5-920f-a12f49686bc3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_us-gaap_AwardTypeAxis_cd1920ba-c8df-47c5-920f-a12f49686bc3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_cd1920ba-c8df-47c5-920f-a12f49686bc3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_cd1920ba-c8df-47c5-920f-a12f49686bc3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_cd1920ba-c8df-47c5-920f-a12f49686bc3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a589c586-c76d-4a22-8898-982bb04b8568" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_cd1920ba-c8df-47c5-920f-a12f49686bc3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a589c586-c76d-4a22-8898-982bb04b8568" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassACommonUnitsMember_7f8aad13-d32a-4997-86c8-dddb1e912375" xlink:href="sym-20220924.xsd#sym_ClassACommonUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a589c586-c76d-4a22-8898-982bb04b8568" xlink:to="loc_sym_ClassACommonUnitsMember_7f8aad13-d32a-4997-86c8-dddb1e912375" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_958481f5-453f-4888-a9f2-9d4809110aee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_958481f5-453f-4888-a9f2-9d4809110aee" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_958481f5-453f-4888-a9f2-9d4809110aee_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_958481f5-453f-4888-a9f2-9d4809110aee" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_958481f5-453f-4888-a9f2-9d4809110aee_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_e7d3e6e5-3000-4809-a00b-7a76818b498f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_958481f5-453f-4888-a9f2-9d4809110aee" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_e7d3e6e5-3000-4809-a00b-7a76818b498f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_WarrantsMember_ce0b9037-6c3e-41f2-a7b6-27eaaf95226d" xlink:href="sym-20220924.xsd#sym_WarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_e7d3e6e5-3000-4809-a00b-7a76818b498f" xlink:to="loc_sym_WarrantsMember_ce0b9037-6c3e-41f2-a7b6-27eaaf95226d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_May2022WarrantsMember_f2ac89a6-b017-4dbb-add3-6f0859866ce6" xlink:href="sym-20220924.xsd#sym_May2022WarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_e7d3e6e5-3000-4809-a00b-7a76818b498f" xlink:to="loc_sym_May2022WarrantsMember_f2ac89a6-b017-4dbb-add3-6f0859866ce6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_June2022WarrantsMember_ee6ec51b-3dd4-49b9-bdbf-20f19bc6a2d9" xlink:href="sym-20220924.xsd#sym_June2022WarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_e7d3e6e5-3000-4809-a00b-7a76818b498f" xlink:to="loc_sym_June2022WarrantsMember_ee6ec51b-3dd4-49b9-bdbf-20f19bc6a2d9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_ec33c511-d002-4607-b01b-781b5f210516" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_us-gaap_VestingAxis_ec33c511-d002-4607-b01b-781b5f210516" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_ec33c511-d002-4607-b01b-781b5f210516_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_ec33c511-d002-4607-b01b-781b5f210516" xlink:to="loc_us-gaap_VestingDomain_ec33c511-d002-4607-b01b-781b5f210516_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_8104236e-fc9b-4f41-bbae-6b2d7001bcb6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_ec33c511-d002-4607-b01b-781b5f210516" xlink:to="loc_us-gaap_VestingDomain_8104236e-fc9b-4f41-bbae-6b2d7001bcb6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_a5a5f938-aae1-49e8-afc3-cbfb73b96876" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_8104236e-fc9b-4f41-bbae-6b2d7001bcb6" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_a5a5f938-aae1-49e8-afc3-cbfb73b96876" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_d56f1e9b-48fe-4c84-85bf-697f44e4b8f1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_8104236e-fc9b-4f41-bbae-6b2d7001bcb6" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_d56f1e9b-48fe-4c84-85bf-697f44e4b8f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_8408afb8-4221-45a8-b0e5-dc409d7dee99" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_f6084bd7-5722-4952-bd7b-b7e88805f871" xlink:to="loc_srt_ProductOrServiceAxis_8408afb8-4221-45a8-b0e5-dc409d7dee99" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_8408afb8-4221-45a8-b0e5-dc409d7dee99_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_8408afb8-4221-45a8-b0e5-dc409d7dee99" xlink:to="loc_srt_ProductsAndServicesDomain_8408afb8-4221-45a8-b0e5-dc409d7dee99_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_f85d9bf8-0c3a-48ed-8cf2-2943e076fe2c" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_8408afb8-4221-45a8-b0e5-dc409d7dee99" xlink:to="loc_srt_ProductsAndServicesDomain_f85d9bf8-0c3a-48ed-8cf2-2943e076fe2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_SoftwareMaintenanceAndSupportContractsMember_ffd057aa-fa2e-47ad-9fa3-553485796835" xlink:href="sym-20220924.xsd#sym_SoftwareMaintenanceAndSupportContractsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_f85d9bf8-0c3a-48ed-8cf2-2943e076fe2c" xlink:to="loc_sym_SoftwareMaintenanceAndSupportContractsMember_ffd057aa-fa2e-47ad-9fa3-553485796835" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/SummaryofSignificantAccountingPoliciesSummaryofConcentrationRiskDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#SummaryofSignificantAccountingPoliciesSummaryofConcentrationRiskDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/SummaryofSignificantAccountingPoliciesSummaryofConcentrationRiskDetails" xlink:type="extended" id="i6304690d8b2c4836809b16a028d75d92_SummaryofSignificantAccountingPoliciesSummaryofConcentrationRiskDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_053274a1-5110-4e2e-8505-49b9ef7441b9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_972188c7-67ab-48c9-9565-cba1f125f3d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_053274a1-5110-4e2e-8505-49b9ef7441b9" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_972188c7-67ab-48c9-9565-cba1f125f3d0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTable_93cc2560-5ad9-479a-855a-f92fa2c3b230" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_053274a1-5110-4e2e-8505-49b9ef7441b9" xlink:to="loc_us-gaap_ConcentrationRiskTable_93cc2560-5ad9-479a-855a-f92fa2c3b230" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_42aa7199-a7da-4d9b-a98e-a01691a31fd0" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_93cc2560-5ad9-479a-855a-f92fa2c3b230" xlink:to="loc_srt_MajorCustomersAxis_42aa7199-a7da-4d9b-a98e-a01691a31fd0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_42aa7199-a7da-4d9b-a98e-a01691a31fd0_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_42aa7199-a7da-4d9b-a98e-a01691a31fd0" xlink:to="loc_srt_NameOfMajorCustomerDomain_42aa7199-a7da-4d9b-a98e-a01691a31fd0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_e87aca6a-5011-43f9-b041-b1700ce02f2d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_42aa7199-a7da-4d9b-a98e-a01691a31fd0" xlink:to="loc_srt_NameOfMajorCustomerDomain_e87aca6a-5011-43f9-b041-b1700ce02f2d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CustomerAMember_2b80ad68-9198-4932-80b6-2da030bf7751" xlink:href="sym-20220924.xsd#sym_CustomerAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_e87aca6a-5011-43f9-b041-b1700ce02f2d" xlink:to="loc_sym_CustomerAMember_2b80ad68-9198-4932-80b6-2da030bf7751" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CustomerBMember_f18c41f2-cc9a-45f0-a49c-6313082d0fe8" xlink:href="sym-20220924.xsd#sym_CustomerBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_e87aca6a-5011-43f9-b041-b1700ce02f2d" xlink:to="loc_sym_CustomerBMember_f18c41f2-cc9a-45f0-a49c-6313082d0fe8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CustomerCMember_c840f060-bf02-4351-9d9e-0ce00386e383" xlink:href="sym-20220924.xsd#sym_CustomerCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_e87aca6a-5011-43f9-b041-b1700ce02f2d" xlink:to="loc_sym_CustomerCMember_c840f060-bf02-4351-9d9e-0ce00386e383" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CustomerTotalMember_633294ba-9e4c-4bdb-8847-d4aab7b57e80" xlink:href="sym-20220924.xsd#sym_CustomerTotalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_e87aca6a-5011-43f9-b041-b1700ce02f2d" xlink:to="loc_sym_CustomerTotalMember_633294ba-9e4c-4bdb-8847-d4aab7b57e80" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_917e3621-6452-440f-8025-14fb05b31851" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_93cc2560-5ad9-479a-855a-f92fa2c3b230" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_917e3621-6452-440f-8025-14fb05b31851" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_917e3621-6452-440f-8025-14fb05b31851_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_917e3621-6452-440f-8025-14fb05b31851" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_917e3621-6452-440f-8025-14fb05b31851_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_f8e1c668-3802-4db4-95de-bea8e8d0c411" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_917e3621-6452-440f-8025-14fb05b31851" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_f8e1c668-3802-4db4-95de-bea8e8d0c411" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerMember_80f5d155-3969-4db3-9182-e166f1ab53a1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_f8e1c668-3802-4db4-95de-bea8e8d0c411" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerMember_80f5d155-3969-4db3-9182-e166f1ab53a1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_1e24fb4f-29ba-469d-863e-cc9c9197acbf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_f8e1c668-3802-4db4-95de-bea8e8d0c411" xlink:to="loc_us-gaap_AccountsReceivableMember_1e24fb4f-29ba-469d-863e-cc9c9197acbf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_6cc0c404-6d12-4c91-a97f-309b2c5d9032" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_93cc2560-5ad9-479a-855a-f92fa2c3b230" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_6cc0c404-6d12-4c91-a97f-309b2c5d9032" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_6cc0c404-6d12-4c91-a97f-309b2c5d9032_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_6cc0c404-6d12-4c91-a97f-309b2c5d9032" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_6cc0c404-6d12-4c91-a97f-309b2c5d9032_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_6d9eecdc-3333-47a8-ae35-4d56459e42ac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_6cc0c404-6d12-4c91-a97f-309b2c5d9032" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_6d9eecdc-3333-47a8-ae35-4d56459e42ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_a6d6dd43-b2a2-4510-a67c-c338e27b710b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_6d9eecdc-3333-47a8-ae35-4d56459e42ac" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_a6d6dd43-b2a2-4510-a67c-c338e27b710b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/SummaryofSignificantAccountingPoliciesPropertyandEquipmentUsefulLifeDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#SummaryofSignificantAccountingPoliciesPropertyandEquipmentUsefulLifeDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/SummaryofSignificantAccountingPoliciesPropertyandEquipmentUsefulLifeDetails" xlink:type="extended" id="i2a3be6b2e6ad414ebdf2092875f1cc1a_SummaryofSignificantAccountingPoliciesPropertyandEquipmentUsefulLifeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_a8b968ae-c7d7-4f03-b56e-cc6d64ff8f94" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_80336da9-221f-487a-adc8-49d43df85852" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_a8b968ae-c7d7-4f03-b56e-cc6d64ff8f94" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_80336da9-221f-487a-adc8-49d43df85852" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8a67108a-4ed4-4852-8660-1e8905960240" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_a8b968ae-c7d7-4f03-b56e-cc6d64ff8f94" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8a67108a-4ed4-4852-8660-1e8905960240" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_b39a599a-ebbb-4e89-993b-a7c22be14705" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8a67108a-4ed4-4852-8660-1e8905960240" xlink:to="loc_srt_RangeAxis_b39a599a-ebbb-4e89-993b-a7c22be14705" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b39a599a-ebbb-4e89-993b-a7c22be14705_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_b39a599a-ebbb-4e89-993b-a7c22be14705" xlink:to="loc_srt_RangeMember_b39a599a-ebbb-4e89-993b-a7c22be14705_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_d7accea3-c076-4a6c-adf8-2b53de794028" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_b39a599a-ebbb-4e89-993b-a7c22be14705" xlink:to="loc_srt_RangeMember_d7accea3-c076-4a6c-adf8-2b53de794028" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_5820ae9b-5f53-4fbb-bf1c-39aebe48a03e" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_d7accea3-c076-4a6c-adf8-2b53de794028" xlink:to="loc_srt_MinimumMember_5820ae9b-5f53-4fbb-bf1c-39aebe48a03e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_905a84ad-3aa0-46db-9788-3093442254f8" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_d7accea3-c076-4a6c-adf8-2b53de794028" xlink:to="loc_srt_MaximumMember_905a84ad-3aa0-46db-9788-3093442254f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_6af7e821-a9d3-409e-8303-5fcb7338d0f5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8a67108a-4ed4-4852-8660-1e8905960240" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_6af7e821-a9d3-409e-8303-5fcb7338d0f5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_6af7e821-a9d3-409e-8303-5fcb7338d0f5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_6af7e821-a9d3-409e-8303-5fcb7338d0f5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_6af7e821-a9d3-409e-8303-5fcb7338d0f5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e201927f-3978-41c5-adba-a5b31cb5fbb2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_6af7e821-a9d3-409e-8303-5fcb7338d0f5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e201927f-3978-41c5-adba-a5b31cb5fbb2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ComputerEquipmentSoftwareDevelopmentFurnitureAndFixturesAndTestEquipmentMember_610156b9-640c-42db-b9ef-041e3e885e3e" xlink:href="sym-20220924.xsd#sym_ComputerEquipmentSoftwareDevelopmentFurnitureAndFixturesAndTestEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e201927f-3978-41c5-adba-a5b31cb5fbb2" xlink:to="loc_sym_ComputerEquipmentSoftwareDevelopmentFurnitureAndFixturesAndTestEquipmentMember_610156b9-640c-42db-b9ef-041e3e885e3e" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/BusinessCombinationNarrativeDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#BusinessCombinationNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/BusinessCombinationNarrativeDetails" xlink:type="extended" id="ibc8fd910973c4d329b4c0be664f6f119_BusinessCombinationNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_0cb5405e-09c0-4f0e-ba32-ec2ab84dd36d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_0cb5405e-09c0-4f0e-ba32-ec2ab84dd36d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_f338fc6d-6f64-454f-8bda-d0a0c86533e0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_us-gaap_CommonStockSharesIssued_f338fc6d-6f64-454f-8bda-d0a0c86533e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationContingentConsiderationEquityShares_fdb07bf7-949b-4e6e-9006-f5aa6956e42c" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationContingentConsiderationEquityShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_sym_ReverseRecapitalizationContingentConsiderationEquityShares_fdb07bf7-949b-4e6e-9006-f5aa6956e42c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationContingentConsiderationEquityEarnoutPeriodStockPriceTrigger_5912fa50-3ac3-458b-8916-16d9ce77c401" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationContingentConsiderationEquityEarnoutPeriodStockPriceTrigger"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_sym_ReverseRecapitalizationContingentConsiderationEquityEarnoutPeriodStockPriceTrigger_5912fa50-3ac3-458b-8916-16d9ce77c401" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationNumberOfTriggeringEventsAchieved_6e85a228-8590-463f-9507-f7a51331fb44" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationNumberOfTriggeringEventsAchieved"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_sym_ReverseRecapitalizationNumberOfTriggeringEventsAchieved_6e85a228-8590-463f-9507-f7a51331fb44" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConversionOfStockSharesConverted1_959e1704-fa58-43c0-b5f2-c568b139a62e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConversionOfStockSharesConverted1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_us-gaap_ConversionOfStockSharesConverted1_959e1704-fa58-43c0-b5f2-c568b139a62e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_c9a9e911-8c38-4bc3-95c3-7eb34db09347" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_c9a9e911-8c38-4bc3-95c3-7eb34db09347" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_57c29fe3-91a2-474a-8eb8-3341bb511d53" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_57c29fe3-91a2-474a-8eb8-3341bb511d53" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_64a4e17d-e208-4a48-9a19-dad8bdc99967" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_64a4e17d-e208-4a48-9a19-dad8bdc99967" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_e514f09d-27a6-4f34-a90d-83dafe1e083c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_e514f09d-27a6-4f34-a90d-83dafe1e083c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_4f2f5e9d-0122-4043-abc0-18fc48fb526d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_4f2f5e9d-0122-4043-abc0-18fc48fb526d" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPricePerShare_3bb14b79-0c7f-4cfd-869b-6ab64a2f8d03" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SaleOfStockPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_us-gaap_SaleOfStockPricePerShare_3bb14b79-0c7f-4cfd-869b-6ab64a2f8d03" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CashAcquiredThroughReverseRecapitalization_c1b145b6-c2d3-489c-b0c6-502824537355" xlink:href="sym-20220924.xsd#sym_CashAcquiredThroughReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_sym_CashAcquiredThroughReverseRecapitalization_c1b145b6-c2d3-489c-b0c6-502824537355" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationRepurchaseOfShares_e13a32d5-b6e9-46c3-85eb-22d2e0493264" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationRepurchaseOfShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_sym_ReverseRecapitalizationRepurchaseOfShares_e13a32d5-b6e9-46c3-85eb-22d2e0493264" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationNet_ded407c7-707e-46f9-9e23-853caf4796b4" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_sym_ReverseRecapitalizationNet_ded407c7-707e-46f9-9e23-853caf4796b4" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationTransactionCosts_8da7a02b-2ef2-4874-99be-3ad30462d0b3" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationTransactionCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_sym_ReverseRecapitalizationTransactionCosts_8da7a02b-2ef2-4874-99be-3ad30462d0b3" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_9ea868a7-9932-4db5-bf16-a6087fca9477" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_676ac5df-350a-4993-83b0-92875ebd9c35" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_9ea868a7-9932-4db5-bf16-a6087fca9477" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_35141438-5db0-429c-96f6-7bd91349fa0d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_9ea868a7-9932-4db5-bf16-a6087fca9477" xlink:to="loc_us-gaap_StatementClassOfStockAxis_35141438-5db0-429c-96f6-7bd91349fa0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_35141438-5db0-429c-96f6-7bd91349fa0d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_35141438-5db0-429c-96f6-7bd91349fa0d" xlink:to="loc_us-gaap_ClassOfStockDomain_35141438-5db0-429c-96f6-7bd91349fa0d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_0e20964f-1dcb-45d8-b76b-c2c0a6a0db0c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_35141438-5db0-429c-96f6-7bd91349fa0d" xlink:to="loc_us-gaap_ClassOfStockDomain_0e20964f-1dcb-45d8-b76b-c2c0a6a0db0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_8dea5bfe-6575-4748-9089-0a238d8d2bae" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_0e20964f-1dcb-45d8-b76b-c2c0a6a0db0c" xlink:to="loc_us-gaap_CommonClassAMember_8dea5bfe-6575-4748-9089-0a238d8d2bae" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_e74703cb-3268-49ab-a983-9242320fb496" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_0e20964f-1dcb-45d8-b76b-c2c0a6a0db0c" xlink:to="loc_us-gaap_CommonClassBMember_e74703cb-3268-49ab-a983-9242320fb496" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV1Member_e69dffad-cbdb-410d-b925-733ea467c5ca" xlink:href="sym-20220924.xsd#sym_CommonClassV1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_0e20964f-1dcb-45d8-b76b-c2c0a6a0db0c" xlink:to="loc_sym_CommonClassV1Member_e69dffad-cbdb-410d-b925-733ea467c5ca" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV3Member_a737a85f-339b-4708-b1e2-fbbbb154ed9c" xlink:href="sym-20220924.xsd#sym_CommonClassV3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_0e20964f-1dcb-45d8-b76b-c2c0a6a0db0c" xlink:to="loc_sym_CommonClassV3Member_a737a85f-339b-4708-b1e2-fbbbb154ed9c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_1778f0ba-ac72-4229-88aa-be79321d6583" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_9ea868a7-9932-4db5-bf16-a6087fca9477" xlink:to="loc_srt_CounterpartyNameAxis_1778f0ba-ac72-4229-88aa-be79321d6583" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_1778f0ba-ac72-4229-88aa-be79321d6583_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_1778f0ba-ac72-4229-88aa-be79321d6583" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_1778f0ba-ac72-4229-88aa-be79321d6583_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_e8cfffeb-c6e8-402f-a6ee-bc95082ca8cc" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_1778f0ba-ac72-4229-88aa-be79321d6583" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_e8cfffeb-c6e8-402f-a6ee-bc95082ca8cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_WarehouseTechnologiesLLCMember_02fc3863-7707-4bd6-8776-9a04d1ce9a29" xlink:href="sym-20220924.xsd#sym_WarehouseTechnologiesLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_e8cfffeb-c6e8-402f-a6ee-bc95082ca8cc" xlink:to="loc_sym_WarehouseTechnologiesLLCMember_02fc3863-7707-4bd6-8776-9a04d1ce9a29" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_PIPEMember_11c88161-443b-4940-9ad6-f90fa421b966" xlink:href="sym-20220924.xsd#sym_PIPEMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_e8cfffeb-c6e8-402f-a6ee-bc95082ca8cc" xlink:to="loc_sym_PIPEMember_11c88161-443b-4940-9ad6-f90fa421b966" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ForwardPurchaseInvestorMember_6c019faf-74db-4f08-a1cb-722511e47707" xlink:href="sym-20220924.xsd#sym_ForwardPurchaseInvestorMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_e8cfffeb-c6e8-402f-a6ee-bc95082ca8cc" xlink:to="loc_sym_ForwardPurchaseInvestorMember_6c019faf-74db-4f08-a1cb-722511e47707" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_a29efe16-8957-48dc-8577-b9b13e30f401" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_9ea868a7-9932-4db5-bf16-a6087fca9477" xlink:to="loc_us-gaap_VestingAxis_a29efe16-8957-48dc-8577-b9b13e30f401" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_a29efe16-8957-48dc-8577-b9b13e30f401_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_a29efe16-8957-48dc-8577-b9b13e30f401" xlink:to="loc_us-gaap_VestingDomain_a29efe16-8957-48dc-8577-b9b13e30f401_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_91109290-7c5c-4e90-a785-49a3ded0102f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_a29efe16-8957-48dc-8577-b9b13e30f401" xlink:to="loc_us-gaap_VestingDomain_91109290-7c5c-4e90-a785-49a3ded0102f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_a91136a2-f86e-4876-95fe-b8bae6dc8064" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_91109290-7c5c-4e90-a785-49a3ded0102f" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_a91136a2-f86e-4876-95fe-b8bae6dc8064" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_efa0ce25-6121-4672-bd0b-45a2cc7ed5f3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_91109290-7c5c-4e90-a785-49a3ded0102f" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_efa0ce25-6121-4672-bd0b-45a2cc7ed5f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_5b87c914-3a28-4f8c-a3cc-a1f0da1562d9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_91109290-7c5c-4e90-a785-49a3ded0102f" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_5b87c914-3a28-4f8c-a3cc-a1f0da1562d9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventAxis_e91d4a28-09d7-4321-bd69-ad30701b9385" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationContingentConsiderationTriggerEventAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_9ea868a7-9932-4db5-bf16-a6087fca9477" xlink:to="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventAxis_e91d4a28-09d7-4321-bd69-ad30701b9385" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventDomain_e91d4a28-09d7-4321-bd69-ad30701b9385_default" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationContingentConsiderationTriggerEventDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventAxis_e91d4a28-09d7-4321-bd69-ad30701b9385" xlink:to="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventDomain_e91d4a28-09d7-4321-bd69-ad30701b9385_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventDomain_0cdfc854-c563-47a2-a876-866626c0a5cd" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationContingentConsiderationTriggerEventDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventAxis_e91d4a28-09d7-4321-bd69-ad30701b9385" xlink:to="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventDomain_0cdfc854-c563-47a2-a876-866626c0a5cd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventOneMember_97fa328f-a0fb-4023-8334-8971131980b2" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationContingentConsiderationTriggerEventOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventDomain_0cdfc854-c563-47a2-a876-866626c0a5cd" xlink:to="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventOneMember_97fa328f-a0fb-4023-8334-8971131980b2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventTwoMember_1fb8d860-a04d-4319-ba54-9e7e310f2641" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationContingentConsiderationTriggerEventTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventDomain_0cdfc854-c563-47a2-a876-866626c0a5cd" xlink:to="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventTwoMember_1fb8d860-a04d-4319-ba54-9e7e310f2641" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventThreeMember_c16cff75-a66b-4246-9dcd-0830f2fc7d14" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationContingentConsiderationTriggerEventThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventDomain_0cdfc854-c563-47a2-a876-866626c0a5cd" xlink:to="loc_sym_ReverseRecapitalizationContingentConsiderationTriggerEventThreeMember_c16cff75-a66b-4246-9dcd-0830f2fc7d14" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_1df31eef-1992-4cb4-81c5-ab53be2b177f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_9ea868a7-9932-4db5-bf16-a6087fca9477" xlink:to="loc_us-gaap_AwardTypeAxis_1df31eef-1992-4cb4-81c5-ab53be2b177f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1df31eef-1992-4cb4-81c5-ab53be2b177f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_1df31eef-1992-4cb4-81c5-ab53be2b177f" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1df31eef-1992-4cb4-81c5-ab53be2b177f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_28b34e71-dec4-4be5-8f87-1fdaf3acf575" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_1df31eef-1992-4cb4-81c5-ab53be2b177f" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_28b34e71-dec4-4be5-8f87-1fdaf3acf575" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_SponsorShareholdersMember_2db89831-1474-43a5-9f12-c234c34f160b" xlink:href="sym-20220924.xsd#sym_SponsorShareholdersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_28b34e71-dec4-4be5-8f87-1fdaf3acf575" xlink:to="loc_sym_SponsorShareholdersMember_2db89831-1474-43a5-9f12-c234c34f160b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/BusinessCombinationScheduleofReverseRecapitalizationDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#BusinessCombinationScheduleofReverseRecapitalizationDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/BusinessCombinationScheduleofReverseRecapitalizationDetails" xlink:type="extended" id="ib30a5dd3aba4404eb6de0e36ab3e9657_BusinessCombinationScheduleofReverseRecapitalizationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_3ee9eb51-2499-4c69-956e-b2205df459e6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_acbff86b-d047-4761-9d9b-d980e1585347" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3ee9eb51-2499-4c69-956e-b2205df459e6" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_acbff86b-d047-4761-9d9b-d980e1585347" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_4b65c3c0-a4af-47bd-90db-2eb57176dcda" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3ee9eb51-2499-4c69-956e-b2205df459e6" xlink:to="loc_us-gaap_CommonStockSharesIssued_4b65c3c0-a4af-47bd-90db-2eb57176dcda" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ReverseRecapitalizationWarrantOrRightOutstandingNonvested_9798971f-002d-495e-ae29-134896ff4c78" xlink:href="sym-20220924.xsd#sym_ReverseRecapitalizationWarrantOrRightOutstandingNonvested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3ee9eb51-2499-4c69-956e-b2205df459e6" xlink:to="loc_sym_ReverseRecapitalizationWarrantOrRightOutstandingNonvested_9798971f-002d-495e-ae29-134896ff4c78" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_NumberOfVotesPerCommonShare_d508fabe-ef21-4491-9c57-996a6f728048" xlink:href="sym-20220924.xsd#sym_NumberOfVotesPerCommonShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3ee9eb51-2499-4c69-956e-b2205df459e6" xlink:to="loc_sym_NumberOfVotesPerCommonShare_d508fabe-ef21-4491-9c57-996a6f728048" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodSharesIssuedForWorkingCapitalLoanSettlement_35ce2f40-a244-48f6-9bef-84d3308ff272" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodSharesIssuedForWorkingCapitalLoanSettlement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3ee9eb51-2499-4c69-956e-b2205df459e6" xlink:to="loc_sym_StockIssuedDuringPeriodSharesIssuedForWorkingCapitalLoanSettlement_35ce2f40-a244-48f6-9bef-84d3308ff272" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_99d59b73-1c66-4b69-8d09-bced85213019" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3ee9eb51-2499-4c69-956e-b2205df459e6" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_99d59b73-1c66-4b69-8d09-bced85213019" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_4aaae457-6ad8-41ee-b7e3-f26fc56d857d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_99d59b73-1c66-4b69-8d09-bced85213019" xlink:to="loc_us-gaap_StatementClassOfStockAxis_4aaae457-6ad8-41ee-b7e3-f26fc56d857d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_4aaae457-6ad8-41ee-b7e3-f26fc56d857d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_4aaae457-6ad8-41ee-b7e3-f26fc56d857d" xlink:to="loc_us-gaap_ClassOfStockDomain_4aaae457-6ad8-41ee-b7e3-f26fc56d857d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_d0f03191-e1ee-4b47-be8d-c44fc4a9e0a5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_4aaae457-6ad8-41ee-b7e3-f26fc56d857d" xlink:to="loc_us-gaap_ClassOfStockDomain_d0f03191-e1ee-4b47-be8d-c44fc4a9e0a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_bdbd0b92-6773-4f46-98c6-caf9eb5d3b18" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_d0f03191-e1ee-4b47-be8d-c44fc4a9e0a5" xlink:to="loc_us-gaap_CommonClassAMember_bdbd0b92-6773-4f46-98c6-caf9eb5d3b18" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV1Member_95140bf0-3440-47b0-990e-764a5a7810ef" xlink:href="sym-20220924.xsd#sym_CommonClassV1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_d0f03191-e1ee-4b47-be8d-c44fc4a9e0a5" xlink:to="loc_sym_CommonClassV1Member_95140bf0-3440-47b0-990e-764a5a7810ef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV3Member_740ce5d7-8969-43a0-a91b-7327278e58aa" xlink:href="sym-20220924.xsd#sym_CommonClassV3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_d0f03191-e1ee-4b47-be8d-c44fc4a9e0a5" xlink:to="loc_sym_CommonClassV3Member_740ce5d7-8969-43a0-a91b-7327278e58aa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_1ed230b4-6d74-4a1a-9e13-6a414248fe53" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_99d59b73-1c66-4b69-8d09-bced85213019" xlink:to="loc_srt_CounterpartyNameAxis_1ed230b4-6d74-4a1a-9e13-6a414248fe53" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_1ed230b4-6d74-4a1a-9e13-6a414248fe53_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_1ed230b4-6d74-4a1a-9e13-6a414248fe53" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_1ed230b4-6d74-4a1a-9e13-6a414248fe53_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_68531723-db42-4f98-8c26-dfe06227bdad" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_1ed230b4-6d74-4a1a-9e13-6a414248fe53" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_68531723-db42-4f98-8c26-dfe06227bdad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_PublicStockholdersMember_a07b0894-d794-40bd-ab70-d503a814ed1e" xlink:href="sym-20220924.xsd#sym_PublicStockholdersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_68531723-db42-4f98-8c26-dfe06227bdad" xlink:to="loc_sym_PublicStockholdersMember_a07b0894-d794-40bd-ab70-d503a814ed1e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_SponsorShareholdersMember_00a0235a-a21f-4021-9f90-e66b8999808a" xlink:href="sym-20220924.xsd#sym_SponsorShareholdersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_68531723-db42-4f98-8c26-dfe06227bdad" xlink:to="loc_sym_SponsorShareholdersMember_00a0235a-a21f-4021-9f90-e66b8999808a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_SubscriptionAgreementsShareholdersMember_28ff9123-a44c-45fa-8364-2c8598f0660f" xlink:href="sym-20220924.xsd#sym_SubscriptionAgreementsShareholdersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_68531723-db42-4f98-8c26-dfe06227bdad" xlink:to="loc_sym_SubscriptionAgreementsShareholdersMember_28ff9123-a44c-45fa-8364-2c8598f0660f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ForwardPurchaseAgreementShareholdersMember_904f700c-8ea3-4f84-a154-c3e4b775efbc" xlink:href="sym-20220924.xsd#sym_ForwardPurchaseAgreementShareholdersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_68531723-db42-4f98-8c26-dfe06227bdad" xlink:to="loc_sym_ForwardPurchaseAgreementShareholdersMember_904f700c-8ea3-4f84-a154-c3e4b775efbc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_WarehouseTechnologiesLLCMember_7b181172-edb7-4499-96fb-8012139d5b74" xlink:href="sym-20220924.xsd#sym_WarehouseTechnologiesLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_68531723-db42-4f98-8c26-dfe06227bdad" xlink:to="loc_sym_WarehouseTechnologiesLLCMember_7b181172-edb7-4499-96fb-8012139d5b74" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_EarnoutInterestsMember_44720892-47fe-4baa-8521-c85339c0055e" xlink:href="sym-20220924.xsd#sym_EarnoutInterestsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_68531723-db42-4f98-8c26-dfe06227bdad" xlink:to="loc_sym_EarnoutInterestsMember_44720892-47fe-4baa-8521-c85339c0055e" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/NoncontrollingInterestsNarrativeDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#NoncontrollingInterestsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/NoncontrollingInterestsNarrativeDetails" xlink:type="extended" id="ib9dca2ae90c7442eab4dc26e99e5c172_NoncontrollingInterestsNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestLineItems_c32af26f-f729-4b1b-bd71-060795b29920" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MinorityInterestLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_d245d56d-6a53-4f7f-b9fd-b64b7742a0a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_c32af26f-f729-4b1b-bd71-060795b29920" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_d245d56d-6a53-4f7f-b9fd-b64b7742a0a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_NumberOfVotesPerCommonShare_9ad1604f-678a-410f-a60e-db685cc10a4c" xlink:href="sym-20220924.xsd#sym_NumberOfVotesPerCommonShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_c32af26f-f729-4b1b-bd71-060795b29920" xlink:to="loc_sym_NumberOfVotesPerCommonShare_9ad1604f-678a-410f-a60e-db685cc10a4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ConvertibleSecuritiesConversionPeriod_08afaeb4-783d-449a-b864-fed446db0625" xlink:href="sym-20220924.xsd#sym_ConvertibleSecuritiesConversionPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_c32af26f-f729-4b1b-bd71-060795b29920" xlink:to="loc_sym_ConvertibleSecuritiesConversionPeriod_08afaeb4-783d-449a-b864-fed446db0625" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestTable_a3f6edfc-83c8-40d7-a52b-2bac1d8bebed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MinorityInterestTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MinorityInterestLineItems_c32af26f-f729-4b1b-bd71-060795b29920" xlink:to="loc_us-gaap_MinorityInterestTable_a3f6edfc-83c8-40d7-a52b-2bac1d8bebed" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_0d7537f2-edbf-46de-8215-b64eb7dc9940" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_a3f6edfc-83c8-40d7-a52b-2bac1d8bebed" xlink:to="loc_us-gaap_StatementClassOfStockAxis_0d7537f2-edbf-46de-8215-b64eb7dc9940" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_0d7537f2-edbf-46de-8215-b64eb7dc9940_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_0d7537f2-edbf-46de-8215-b64eb7dc9940" xlink:to="loc_us-gaap_ClassOfStockDomain_0d7537f2-edbf-46de-8215-b64eb7dc9940_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_fa60128f-5d34-4444-ad25-e8ebf1b2f975" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_0d7537f2-edbf-46de-8215-b64eb7dc9940" xlink:to="loc_us-gaap_ClassOfStockDomain_fa60128f-5d34-4444-ad25-e8ebf1b2f975" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV1Member_cd9f4a54-2c1a-412a-9d99-8f804523fae6" xlink:href="sym-20220924.xsd#sym_CommonClassV1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fa60128f-5d34-4444-ad25-e8ebf1b2f975" xlink:to="loc_sym_CommonClassV1Member_cd9f4a54-2c1a-412a-9d99-8f804523fae6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV3Member_045bc892-6ecc-453a-8c50-a9fdfe912033" xlink:href="sym-20220924.xsd#sym_CommonClassV3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fa60128f-5d34-4444-ad25-e8ebf1b2f975" xlink:to="loc_sym_CommonClassV3Member_045bc892-6ecc-453a-8c50-a9fdfe912033" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/NoncontrollingInterestsSummaryofCommonStockOutstandingDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#NoncontrollingInterestsSummaryofCommonStockOutstandingDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/NoncontrollingInterestsSummaryofCommonStockOutstandingDetails" xlink:type="extended" id="i9d4431a816f64ee6ab3760d3f13460c3_NoncontrollingInterestsSummaryofCommonStockOutstandingDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestLineItems_bd813aa2-7ae5-4f77-80f8-dc3d591ef69a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MinorityInterestLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonStockSharesOutstandingRollForward_44eb96f5-93ab-42f7-b0b1-ceaf1d7482de" xlink:href="sym-20220924.xsd#sym_CommonStockSharesOutstandingRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_bd813aa2-7ae5-4f77-80f8-dc3d591ef69a" xlink:to="loc_sym_CommonStockSharesOutstandingRollForward_44eb96f5-93ab-42f7-b0b1-ceaf1d7482de" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_f4d46dec-846d-4782-9b2d-ecdcfa7a90f9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sym_CommonStockSharesOutstandingRollForward_44eb96f5-93ab-42f7-b0b1-ceaf1d7482de" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_f4d46dec-846d-4782-9b2d-ecdcfa7a90f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_8259b457-d15e-4c34-82cd-629b3f49078d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sym_CommonStockSharesOutstandingRollForward_44eb96f5-93ab-42f7-b0b1-ceaf1d7482de" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_8259b457-d15e-4c34-82cd-629b3f49078d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodSharesExchangeOfShares_3a5ac778-0937-4ef3-a3fc-71376fc47783" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodSharesExchangeOfShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sym_CommonStockSharesOutstandingRollForward_44eb96f5-93ab-42f7-b0b1-ceaf1d7482de" xlink:to="loc_sym_StockIssuedDuringPeriodSharesExchangeOfShares_3a5ac778-0937-4ef3-a3fc-71376fc47783" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_71c1fdc6-6e23-4c9b-82d9-02d8078f5470" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_bd2e093e-1376-45b3-87e3-bf6d89eacb32" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_bd813aa2-7ae5-4f77-80f8-dc3d591ef69a" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_bd2e093e-1376-45b3-87e3-bf6d89eacb32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestTable_dca2bebb-a82a-4115-b134-e52dd8b7188f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MinorityInterestTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MinorityInterestLineItems_bd813aa2-7ae5-4f77-80f8-dc3d591ef69a" xlink:to="loc_us-gaap_MinorityInterestTable_dca2bebb-a82a-4115-b134-e52dd8b7188f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_e95a41d3-4594-47ca-aab4-07fdbd1ebd92" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_dca2bebb-a82a-4115-b134-e52dd8b7188f" xlink:to="loc_us-gaap_StatementClassOfStockAxis_e95a41d3-4594-47ca-aab4-07fdbd1ebd92" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_e95a41d3-4594-47ca-aab4-07fdbd1ebd92_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_e95a41d3-4594-47ca-aab4-07fdbd1ebd92" xlink:to="loc_us-gaap_ClassOfStockDomain_e95a41d3-4594-47ca-aab4-07fdbd1ebd92_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_ec3c73b2-c25a-4058-98c5-d9803eed2680" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_e95a41d3-4594-47ca-aab4-07fdbd1ebd92" xlink:to="loc_us-gaap_ClassOfStockDomain_ec3c73b2-c25a-4058-98c5-d9803eed2680" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_858e534f-5729-4b57-a8ec-f52370eda6d7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ec3c73b2-c25a-4058-98c5-d9803eed2680" xlink:to="loc_us-gaap_CommonClassAMember_858e534f-5729-4b57-a8ec-f52370eda6d7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV1AndV3Member_25a6ce8b-275f-4cd0-8463-c9ccf0262585" xlink:href="sym-20220924.xsd#sym_CommonClassV1AndV3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ec3c73b2-c25a-4058-98c5-d9803eed2680" xlink:to="loc_sym_CommonClassV1AndV3Member_25a6ce8b-275f-4cd0-8463-c9ccf0262585" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_0215362d-bd83-4849-b523-1a15a6a45c1a" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_dca2bebb-a82a-4115-b134-e52dd8b7188f" xlink:to="loc_srt_OwnershipAxis_0215362d-bd83-4849-b523-1a15a6a45c1a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_0215362d-bd83-4849-b523-1a15a6a45c1a_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_0215362d-bd83-4849-b523-1a15a6a45c1a" xlink:to="loc_srt_OwnershipDomain_0215362d-bd83-4849-b523-1a15a6a45c1a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_57c0d527-7da0-48a7-9111-e79ef3c69db3" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_0215362d-bd83-4849-b523-1a15a6a45c1a" xlink:to="loc_srt_OwnershipDomain_57c0d527-7da0-48a7-9111-e79ef3c69db3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_SymboticIncMember_e083d788-0712-4a5c-9073-fdc0ee7d9222" xlink:href="sym-20220924.xsd#sym_SymboticIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_57c0d527-7da0-48a7-9111-e79ef3c69db3" xlink:to="loc_sym_SymboticIncMember_e083d788-0712-4a5c-9073-fdc0ee7d9222" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/RevenueNarrativeDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#RevenueNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/RevenueNarrativeDetails" xlink:type="extended" id="i4bb040f1e0504dd9a6343489a616a229_RevenueNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_fc849480-fdb8-4696-a445-4cbc10487973" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_fc849480-fdb8-4696-a445-4cbc10487973" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_5e21017b-8c83-404a-b047-6a6fa645ec78" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_5e21017b-8c83-404a-b047-6a6fa645ec78" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_NumberOfDistributionCenters_3c07302c-9bc1-4873-8b09-bb0297d61162" xlink:href="sym-20220924.xsd#sym_NumberOfDistributionCenters"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:to="loc_sym_NumberOfDistributionCenters_3c07302c-9bc1-4873-8b09-bb0297d61162" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_c5b38453-22cf-401f-b001-2e6980bdf324" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_c5b38453-22cf-401f-b001-2e6980bdf324" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_284499db-3006-425c-b4fe-89b05b6a98b8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_284499db-3006-425c-b4fe-89b05b6a98b8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_b0470003-b44d-4d75-b128-82615e54eb9b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_b0470003-b44d-4d75-b128-82615e54eb9b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_acb900af-a85c-4d35-be6b-ccc698c00b43" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_b0470003-b44d-4d75-b128-82615e54eb9b" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_acb900af-a85c-4d35-be6b-ccc698c00b43" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_ebe970bd-76f2-4045-8924-df5f684b93b9" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_b0470003-b44d-4d75-b128-82615e54eb9b" xlink:to="loc_srt_CounterpartyNameAxis_ebe970bd-76f2-4045-8924-df5f684b93b9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ebe970bd-76f2-4045-8924-df5f684b93b9_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_ebe970bd-76f2-4045-8924-df5f684b93b9" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ebe970bd-76f2-4045-8924-df5f684b93b9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_dffff187-2a1a-4ab4-a777-479e002b3765" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_ebe970bd-76f2-4045-8924-df5f684b93b9" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_dffff187-2a1a-4ab4-a777-479e002b3765" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_WalmartMember_001cd9c2-2209-41d6-a001-505e96d2aad5" xlink:href="sym-20220924.xsd#sym_WalmartMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_dffff187-2a1a-4ab4-a777-479e002b3765" xlink:to="loc_sym_WalmartMember_001cd9c2-2209-41d6-a001-505e96d2aad5" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/RevenueNarrativeDetails_1" xlink:type="simple" xlink:href="sym-20220924.xsd#RevenueNarrativeDetails_1"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/RevenueNarrativeDetails_1" xlink:type="extended" id="id16aa57de0de473a8ad76dd7ffa6d574_RevenueNarrativeDetails_1">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_fc849480-fdb8-4696-a445-4cbc10487973" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_fc849480-fdb8-4696-a445-4cbc10487973" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_5e21017b-8c83-404a-b047-6a6fa645ec78" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_5e21017b-8c83-404a-b047-6a6fa645ec78" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_NumberOfDistributionCenters_3c07302c-9bc1-4873-8b09-bb0297d61162" xlink:href="sym-20220924.xsd#sym_NumberOfDistributionCenters"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:to="loc_sym_NumberOfDistributionCenters_3c07302c-9bc1-4873-8b09-bb0297d61162" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_c5b38453-22cf-401f-b001-2e6980bdf324" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_c5b38453-22cf-401f-b001-2e6980bdf324" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_284499db-3006-425c-b4fe-89b05b6a98b8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_284499db-3006-425c-b4fe-89b05b6a98b8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_b0470003-b44d-4d75-b128-82615e54eb9b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_bf34d442-1a56-4b8f-845d-27b1d7c5b077" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_b0470003-b44d-4d75-b128-82615e54eb9b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_ebe970bd-76f2-4045-8924-df5f684b93b9" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_b0470003-b44d-4d75-b128-82615e54eb9b" xlink:to="loc_srt_CounterpartyNameAxis_ebe970bd-76f2-4045-8924-df5f684b93b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ebe970bd-76f2-4045-8924-df5f684b93b9_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_ebe970bd-76f2-4045-8924-df5f684b93b9" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ebe970bd-76f2-4045-8924-df5f684b93b9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_dffff187-2a1a-4ab4-a777-479e002b3765" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_ebe970bd-76f2-4045-8924-df5f684b93b9" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_dffff187-2a1a-4ab4-a777-479e002b3765" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_WalmartMember_001cd9c2-2209-41d6-a001-505e96d2aad5" xlink:href="sym-20220924.xsd#sym_WalmartMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_dffff187-2a1a-4ab4-a777-479e002b3765" xlink:to="loc_sym_WalmartMember_001cd9c2-2209-41d6-a001-505e96d2aad5" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/PropertyandEquipmentSummaryofPropertyandEquipmentDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#PropertyandEquipmentSummaryofPropertyandEquipmentDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/PropertyandEquipmentSummaryofPropertyandEquipmentDetails" xlink:type="extended" id="i4ac1c960f4584d54b536073d2489fc26_PropertyandEquipmentSummaryofPropertyandEquipmentDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_d10d0e76-96c1-4b86-b2a8-ef3b05307261" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_6822ca56-a69b-49e1-a5f7-df0ca19d169d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_d10d0e76-96c1-4b86-b2a8-ef3b05307261" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_6822ca56-a69b-49e1-a5f7-df0ca19d169d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_c0292129-09c4-429b-bcb9-859c8cc9e4d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_d10d0e76-96c1-4b86-b2a8-ef3b05307261" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_c0292129-09c4-429b-bcb9-859c8cc9e4d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_9c35066a-12c6-428a-aa45-ada469352951" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_d10d0e76-96c1-4b86-b2a8-ef3b05307261" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_9c35066a-12c6-428a-aa45-ada469352951" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_3bdea8be-51db-450c-9836-fe48e9963262" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_d10d0e76-96c1-4b86-b2a8-ef3b05307261" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_3bdea8be-51db-450c-9836-fe48e9963262" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_c33432a3-60a8-456d-be2c-e88cd4dc4d73" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_3bdea8be-51db-450c-9836-fe48e9963262" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_c33432a3-60a8-456d-be2c-e88cd4dc4d73" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c33432a3-60a8-456d-be2c-e88cd4dc4d73_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_c33432a3-60a8-456d-be2c-e88cd4dc4d73" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c33432a3-60a8-456d-be2c-e88cd4dc4d73_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_fc2644e1-21b3-4ab3-98a8-7927e0c84180" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_c33432a3-60a8-456d-be2c-e88cd4dc4d73" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_fc2644e1-21b3-4ab3-98a8-7927e0c84180" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ComputerEquipmentSoftwareDevelopmentFurnitureAndFixturesAndTestEquipmentMember_ffe0db3a-40da-46f2-a865-a09b75c75f6e" xlink:href="sym-20220924.xsd#sym_ComputerEquipmentSoftwareDevelopmentFurnitureAndFixturesAndTestEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_fc2644e1-21b3-4ab3-98a8-7927e0c84180" xlink:to="loc_sym_ComputerEquipmentSoftwareDevelopmentFurnitureAndFixturesAndTestEquipmentMember_ffe0db3a-40da-46f2-a865-a09b75c75f6e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_e990cedd-1e0b-4c41-ac62-6d417c064d92" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_fc2644e1-21b3-4ab3-98a8-7927e0c84180" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_e990cedd-1e0b-4c41-ac62-6d417c064d92" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/IntangibleAssetsScheduleofFiniteLivedIntangibleAssetsUsefulLifeDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#IntangibleAssetsScheduleofFiniteLivedIntangibleAssetsUsefulLifeDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/IntangibleAssetsScheduleofFiniteLivedIntangibleAssetsUsefulLifeDetails" xlink:type="extended" id="ic182a7b3d3874d3f93e6a5b060328d00_IntangibleAssetsScheduleofFiniteLivedIntangibleAssetsUsefulLifeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_c9b35757-2158-48e0-b76f-cb4d0eab996c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_2041acf1-104f-468e-9e25-9034b66c6c49" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_c9b35757-2158-48e0-b76f-cb4d0eab996c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_2041acf1-104f-468e-9e25-9034b66c6c49" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1544065e-de8a-4e4d-9571-0071c374341b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_c9b35757-2158-48e0-b76f-cb4d0eab996c" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1544065e-de8a-4e4d-9571-0071c374341b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0bf2f21d-5789-49b0-9c6f-1bbfaf0c5868" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1544065e-de8a-4e4d-9571-0071c374341b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0bf2f21d-5789-49b0-9c6f-1bbfaf0c5868" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_0bf2f21d-5789-49b0-9c6f-1bbfaf0c5868_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0bf2f21d-5789-49b0-9c6f-1bbfaf0c5868" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_0bf2f21d-5789-49b0-9c6f-1bbfaf0c5868_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e7d3fab2-1b51-4135-93e7-2861691dd705" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0bf2f21d-5789-49b0-9c6f-1bbfaf0c5868" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e7d3fab2-1b51-4135-93e7-2861691dd705" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_58623173-7c98-4966-be6e-e36cbb53ad5b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e7d3fab2-1b51-4135-93e7-2861691dd705" xlink:to="loc_us-gaap_CustomerRelationshipsMember_58623173-7c98-4966-be6e-e36cbb53ad5b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_b934c4b2-785d-491a-ac64-254f230dfa5f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TrademarksMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e7d3fab2-1b51-4135-93e7-2861691dd705" xlink:to="loc_us-gaap_TrademarksMember_b934c4b2-785d-491a-ac64-254f230dfa5f" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/IntangibleAssetsScheduleofFiniteLivedIntangibleAssetsDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#IntangibleAssetsScheduleofFiniteLivedIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/IntangibleAssetsScheduleofFiniteLivedIntangibleAssetsDetails" xlink:type="extended" id="i7efc5d51a4dc443598b846a8f8b3bcbc_IntangibleAssetsScheduleofFiniteLivedIntangibleAssetsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_4752f938-7118-44db-8a8e-ef872a7c3a15" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_a51d77fd-b830-48fc-9705-cee7079e4a1d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_4752f938-7118-44db-8a8e-ef872a7c3a15" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_a51d77fd-b830-48fc-9705-cee7079e4a1d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_e697942b-4149-4648-a281-80ce3355499c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_4752f938-7118-44db-8a8e-ef872a7c3a15" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_e697942b-4149-4648-a281-80ce3355499c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_b896385d-11e7-4c47-924b-7f55b86aebfb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_4752f938-7118-44db-8a8e-ef872a7c3a15" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_b896385d-11e7-4c47-924b-7f55b86aebfb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_f8a3b66b-d43e-48a9-8bd4-f5ee0c5bb1f9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_4752f938-7118-44db-8a8e-ef872a7c3a15" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_f8a3b66b-d43e-48a9-8bd4-f5ee0c5bb1f9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_e707c999-605d-4163-ae21-334b185490c2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_f8a3b66b-d43e-48a9-8bd4-f5ee0c5bb1f9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_e707c999-605d-4163-ae21-334b185490c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e707c999-605d-4163-ae21-334b185490c2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_e707c999-605d-4163-ae21-334b185490c2" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e707c999-605d-4163-ae21-334b185490c2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3a225271-801d-47b2-b71c-ca19be9b0171" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_e707c999-605d-4163-ae21-334b185490c2" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3a225271-801d-47b2-b71c-ca19be9b0171" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_e5f02293-b3a1-41a9-ae14-172b6d52a6a8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3a225271-801d-47b2-b71c-ca19be9b0171" xlink:to="loc_us-gaap_CustomerRelationshipsMember_e5f02293-b3a1-41a9-ae14-172b6d52a6a8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_f171ac4a-ded6-4288-919f-0c06b7122fed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TrademarksMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3a225271-801d-47b2-b71c-ca19be9b0171" xlink:to="loc_us-gaap_TrademarksMember_f171ac4a-ded6-4288-919f-0c06b7122fed" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/IncomeTaxesComponentsofIncomeLossBeforeProvisionforIncomeTaxesDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#IncomeTaxesComponentsofIncomeLossBeforeProvisionforIncomeTaxesDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/IncomeTaxesComponentsofIncomeLossBeforeProvisionforIncomeTaxesDetails" xlink:type="extended" id="i24515588ef004edb85eb28c3861fee2b_IncomeTaxesComponentsofIncomeLossBeforeProvisionforIncomeTaxesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExaminationLineItems_4b2ba25f-b1ce-4976-a121-867e97b4db29" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExaminationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossAttributableToParent_86bd334f-267d-4a9c-a1fc-b49bfba9ae2b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4b2ba25f-b1ce-4976-a121-867e97b4db29" xlink:to="loc_us-gaap_IncomeLossAttributableToParent_86bd334f-267d-4a9c-a1fc-b49bfba9ae2b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExaminationTable_e34e03b2-d7c1-45b9-9ad2-fcdbd1b8a13a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExaminationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4b2ba25f-b1ce-4976-a121-867e97b4db29" xlink:to="loc_us-gaap_IncomeTaxExaminationTable_e34e03b2-d7c1-45b9-9ad2-fcdbd1b8a13a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_d693cf23-7636-4c94-96b2-2503f656aeb8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxExaminationTable_e34e03b2-d7c1-45b9-9ad2-fcdbd1b8a13a" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_d693cf23-7636-4c94-96b2-2503f656aeb8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_d693cf23-7636-4c94-96b2-2503f656aeb8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_d693cf23-7636-4c94-96b2-2503f656aeb8" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_d693cf23-7636-4c94-96b2-2503f656aeb8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_84ed9d0a-c8f0-4247-90d9-b60a9b456305" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_d693cf23-7636-4c94-96b2-2503f656aeb8" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_84ed9d0a-c8f0-4247-90d9-b60a9b456305" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticCountryMember_7035c30c-5a72-454a-b888-685559e166bb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DomesticCountryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_84ed9d0a-c8f0-4247-90d9-b60a9b456305" xlink:to="loc_us-gaap_DomesticCountryMember_7035c30c-5a72-454a-b888-685559e166bb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCountryMember_cf59ffa5-272d-4b9f-8353-93d6388f6552" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForeignCountryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_84ed9d0a-c8f0-4247-90d9-b60a9b456305" xlink:to="loc_us-gaap_ForeignCountryMember_cf59ffa5-272d-4b9f-8353-93d6388f6552" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/IncomeTaxesNarrativeDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#IncomeTaxesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended" id="i73512c1886ab4155a5caf675ea88cb67_IncomeTaxesNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExaminationLineItems_6b00d445-22e5-43bb-aa86-990cfaafc267" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExaminationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_5c1e2fd7-5929-4238-9324-996f422f4b13" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_6b00d445-22e5-43bb-aa86-990cfaafc267" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_5c1e2fd7-5929-4238-9324-996f422f4b13" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_ce52726a-1e35-4ec5-88be-22e2278cb408" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_6b00d445-22e5-43bb-aa86-990cfaafc267" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_ce52726a-1e35-4ec5-88be-22e2278cb408" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_d0329aea-6bc9-4a0c-aa63-96247a0146b9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_6b00d445-22e5-43bb-aa86-990cfaafc267" xlink:to="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_d0329aea-6bc9-4a0c-aa63-96247a0146b9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwards_5b3e9f3a-b062-4c9d-afb6-79d62d0a594c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLossCarryforwards"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_6b00d445-22e5-43bb-aa86-990cfaafc267" xlink:to="loc_us-gaap_OperatingLossCarryforwards_5b3e9f3a-b062-4c9d-afb6-79d62d0a594c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_4e417a07-4e49-4d11-9df0-e7cabe25ed98" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UnrecognizedTaxBenefits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_6b00d445-22e5-43bb-aa86-990cfaafc267" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_4e417a07-4e49-4d11-9df0-e7cabe25ed98" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_TaxReceivableAgreementFuturePayments_d0274f23-0bc5-43cf-a55d-fcf8dd942125" xlink:href="sym-20220924.xsd#sym_TaxReceivableAgreementFuturePayments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_6b00d445-22e5-43bb-aa86-990cfaafc267" xlink:to="loc_sym_TaxReceivableAgreementFuturePayments_d0274f23-0bc5-43cf-a55d-fcf8dd942125" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExaminationTable_021a0196-3c90-4fba-8c34-210928afc3d6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExaminationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_6b00d445-22e5-43bb-aa86-990cfaafc267" xlink:to="loc_us-gaap_IncomeTaxExaminationTable_021a0196-3c90-4fba-8c34-210928afc3d6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_70462443-d908-4fec-a48c-723dcac7d559" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxExaminationTable_021a0196-3c90-4fba-8c34-210928afc3d6" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_70462443-d908-4fec-a48c-723dcac7d559" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_70462443-d908-4fec-a48c-723dcac7d559_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_70462443-d908-4fec-a48c-723dcac7d559" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_70462443-d908-4fec-a48c-723dcac7d559_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_f7ab52f9-c093-4f3f-9933-30327551eb70" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_70462443-d908-4fec-a48c-723dcac7d559" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_f7ab52f9-c093-4f3f-9933-30327551eb70" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticCountryMember_06e2e749-c31a-4942-9947-33523745e2fe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DomesticCountryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_f7ab52f9-c093-4f3f-9933-30327551eb70" xlink:to="loc_us-gaap_DomesticCountryMember_06e2e749-c31a-4942-9947-33523745e2fe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCountryMember_50c11b2e-520a-43b2-998a-69d1b3c98a5f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForeignCountryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_f7ab52f9-c093-4f3f-9933-30327551eb70" xlink:to="loc_us-gaap_ForeignCountryMember_50c11b2e-520a-43b2-998a-69d1b3c98a5f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_39e51e38-d264-4754-82b4-5ca34d769c27" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StateAndLocalJurisdictionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_f7ab52f9-c093-4f3f-9933-30327551eb70" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_39e51e38-d264-4754-82b4-5ca34d769c27" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameAxis_fe7e66d2-88e1-4ff6-85b6-c97b4b9081cc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxExaminationTable_021a0196-3c90-4fba-8c34-210928afc3d6" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameAxis_fe7e66d2-88e1-4ff6-85b6-c97b4b9081cc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_fe7e66d2-88e1-4ff6-85b6-c97b4b9081cc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_fe7e66d2-88e1-4ff6-85b6-c97b4b9081cc" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_fe7e66d2-88e1-4ff6-85b6-c97b4b9081cc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_f4723e0c-b9d2-4630-b2bc-c7176c9a3623" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_fe7e66d2-88e1-4ff6-85b6-c97b4b9081cc" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_f4723e0c-b9d2-4630-b2bc-c7176c9a3623" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CanadaRevenueAgencyMember_5e6dc56a-565e-4527-b3e4-51241e439ba3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CanadaRevenueAgencyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_f4723e0c-b9d2-4630-b2bc-c7176c9a3623" xlink:to="loc_us-gaap_CanadaRevenueAgencyMember_5e6dc56a-565e-4527-b3e4-51241e439ba3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_0f9b8ab9-8cf1-4346-813d-185937ea3bc4" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxExaminationTable_021a0196-3c90-4fba-8c34-210928afc3d6" xlink:to="loc_srt_RangeAxis_0f9b8ab9-8cf1-4346-813d-185937ea3bc4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_0f9b8ab9-8cf1-4346-813d-185937ea3bc4_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_0f9b8ab9-8cf1-4346-813d-185937ea3bc4" xlink:to="loc_srt_RangeMember_0f9b8ab9-8cf1-4346-813d-185937ea3bc4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_735fcb57-9c72-4346-9dce-b7de48cf7924" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_0f9b8ab9-8cf1-4346-813d-185937ea3bc4" xlink:to="loc_srt_RangeMember_735fcb57-9c72-4346-9dce-b7de48cf7924" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_685f4f2c-dbb6-4cce-bdc7-d4854d160d7d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_735fcb57-9c72-4346-9dce-b7de48cf7924" xlink:to="loc_srt_MaximumMember_685f4f2c-dbb6-4cce-bdc7-d4854d160d7d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/EmployeeBenefitPlansDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#EmployeeBenefitPlansDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/EmployeeBenefitPlansDetails" xlink:type="extended" id="ieacfe72d569143a18160f4509ec5cb2f_EmployeeBenefitPlansDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_c91eec27-a7c1-4df2-801f-4513c69b8898" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedContributionPlanDisclosureLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_a297f1c7-272a-40b8-a021-6337d530f626" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedContributionPlanCostRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_c91eec27-a7c1-4df2-801f-4513c69b8898" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_a297f1c7-272a-40b8-a021-6337d530f626" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanTable_7ac87350-ccba-438c-aea3-0616c01ede77" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedContributionPlanTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_c91eec27-a7c1-4df2-801f-4513c69b8898" xlink:to="loc_us-gaap_DefinedContributionPlanTable_7ac87350-ccba-438c-aea3-0616c01ede77" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationAxis_2ad2c6b6-a1af-4c49-b8ee-8a45ef443f82" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetirementPlanSponsorLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DefinedContributionPlanTable_7ac87350-ccba-438c-aea3-0616c01ede77" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationAxis_2ad2c6b6-a1af-4c49-b8ee-8a45ef443f82" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_2ad2c6b6-a1af-4c49-b8ee-8a45ef443f82_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetirementPlanSponsorLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_2ad2c6b6-a1af-4c49-b8ee-8a45ef443f82" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationDomain_2ad2c6b6-a1af-4c49-b8ee-8a45ef443f82_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_7f184cee-7891-4905-8f7a-2ea741c01990" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetirementPlanSponsorLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_2ad2c6b6-a1af-4c49-b8ee-8a45ef443f82" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationDomain_7f184cee-7891-4905-8f7a-2ea741c01990" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticPlanMember_4c8b2356-5d29-4d43-b468-5ebbbb34b13b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DomesticPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationDomain_7f184cee-7891-4905-8f7a-2ea741c01990" xlink:to="loc_us-gaap_DomesticPlanMember_4c8b2356-5d29-4d43-b468-5ebbbb34b13b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_cb15acf0-f938-422a-ae5b-c7b8729aceb7" xlink:href="https://xbrl.sec.gov/country/2022/country-2022.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DomesticPlanMember_4c8b2356-5d29-4d43-b468-5ebbbb34b13b" xlink:to="loc_country_US_cb15acf0-f938-422a-ae5b-c7b8729aceb7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignPlanMember_75f463da-6bc4-4c1e-affa-2199b4c7502a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForeignPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationDomain_7f184cee-7891-4905-8f7a-2ea741c01990" xlink:to="loc_us-gaap_ForeignPlanMember_75f463da-6bc4-4c1e-affa-2199b4c7502a" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/FairValueMeasuresDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#FairValueMeasuresDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/FairValueMeasuresDetails" xlink:type="extended" id="i01b418c4ac584e17ba3b3efb05c79ec8_FairValueMeasuresDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_369c4d07-97da-404e-a1e2-2a91df1807e8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_c91a21dc-fba7-496a-9880-3db01b79b7d3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_369c4d07-97da-404e-a1e2-2a91df1807e8" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_c91a21dc-fba7-496a-9880-3db01b79b7d3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_169fe29a-be0e-4712-bbd3-585065734f11" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_369c4d07-97da-404e-a1e2-2a91df1807e8" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_169fe29a-be0e-4712-bbd3-585065734f11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_300ecd36-fc14-4322-95ec-75a000da9ea6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_369c4d07-97da-404e-a1e2-2a91df1807e8" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_300ecd36-fc14-4322-95ec-75a000da9ea6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_2a074bdc-2d9d-49a4-8970-2c43a6b4dd1e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByAssetClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_300ecd36-fc14-4322-95ec-75a000da9ea6" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_2a074bdc-2d9d-49a4-8970-2c43a6b4dd1e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_2a074bdc-2d9d-49a4-8970-2c43a6b4dd1e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_2a074bdc-2d9d-49a4-8970-2c43a6b4dd1e" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_2a074bdc-2d9d-49a4-8970-2c43a6b4dd1e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_5e10ead0-e5bb-4d02-beef-0669514d7602" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_2a074bdc-2d9d-49a4-8970-2c43a6b4dd1e" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_5e10ead0-e5bb-4d02-beef-0669514d7602" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_16d2d561-49cd-4570-9d88-2519118738b7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_5e10ead0-e5bb-4d02-beef-0669514d7602" xlink:to="loc_us-gaap_MoneyMarketFundsMember_16d2d561-49cd-4570-9d88-2519118738b7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0ae84c78-cd7b-4980-91fe-1dde6be03866" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_300ecd36-fc14-4322-95ec-75a000da9ea6" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0ae84c78-cd7b-4980-91fe-1dde6be03866" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0ae84c78-cd7b-4980-91fe-1dde6be03866_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0ae84c78-cd7b-4980-91fe-1dde6be03866" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0ae84c78-cd7b-4980-91fe-1dde6be03866_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0013ac86-9596-4896-a0d3-4bfe3462c9b5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0ae84c78-cd7b-4980-91fe-1dde6be03866" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0013ac86-9596-4896-a0d3-4bfe3462c9b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_6d219050-5747-4fdb-80a3-c3dbd473e35c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0013ac86-9596-4896-a0d3-4bfe3462c9b5" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_6d219050-5747-4fdb-80a3-c3dbd473e35c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_29760d23-bee8-4f92-8404-58a20df6e4ea" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0013ac86-9596-4896-a0d3-4bfe3462c9b5" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_29760d23-bee8-4f92-8404-58a20df6e4ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_75b0333f-9ed9-47db-9d27-75d347e9db55" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0013ac86-9596-4896-a0d3-4bfe3462c9b5" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_75b0333f-9ed9-47db-9d27-75d347e9db55" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_073b351d-662c-4ad2-9f51-1961bc6a157e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_300ecd36-fc14-4322-95ec-75a000da9ea6" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_073b351d-662c-4ad2-9f51-1961bc6a157e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_073b351d-662c-4ad2-9f51-1961bc6a157e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_073b351d-662c-4ad2-9f51-1961bc6a157e" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_073b351d-662c-4ad2-9f51-1961bc6a157e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_c404ca45-9443-41b3-a5a1-02b52b933575" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_073b351d-662c-4ad2-9f51-1961bc6a157e" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_c404ca45-9443-41b3-a5a1-02b52b933575" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_196747b9-69db-4b4c-84e5-1a919c4bc595" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_c404ca45-9443-41b3-a5a1-02b52b933575" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_196747b9-69db-4b4c-84e5-1a919c4bc595" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/RelatedPartyTransactionsDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#RelatedPartyTransactionsDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/RelatedPartyTransactionsDetails" xlink:type="extended" id="i643af1d897824cecb37449223f408d18_RelatedPartyTransactionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_ca542112-2fe1-4a96-8da2-6350674bb160" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_8df606f2-d480-495d-87fc-86dfeb0d686b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ca542112-2fe1-4a96-8da2-6350674bb160" xlink:to="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_8df606f2-d480-495d-87fc-86dfeb0d686b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_NumberOfTimeSharingAgreements_413bc50c-c6d1-43c1-9d94-26550facdbff" xlink:href="sym-20220924.xsd#sym_NumberOfTimeSharingAgreements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ca542112-2fe1-4a96-8da2-6350674bb160" xlink:to="loc_sym_NumberOfTimeSharingAgreements_413bc50c-c6d1-43c1-9d94-26550facdbff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_NumberOfAircrafts_5c8fd551-d3fa-4d61-b3bc-a83906e9e36f" xlink:href="sym-20220924.xsd#sym_NumberOfAircrafts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ca542112-2fe1-4a96-8da2-6350674bb160" xlink:to="loc_sym_NumberOfAircrafts_5c8fd551-d3fa-4d61-b3bc-a83906e9e36f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_b513ab81-13e8-43b3-a540-667e3fb776d6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromRelatedParties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ca542112-2fe1-4a96-8da2-6350674bb160" xlink:to="loc_us-gaap_RevenueFromRelatedParties_b513ab81-13e8-43b3-a540-667e3fb776d6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyCosts_34383b39-effa-48d3-8a1b-016420b4e087" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ca542112-2fe1-4a96-8da2-6350674bb160" xlink:to="loc_us-gaap_RelatedPartyCosts_34383b39-effa-48d3-8a1b-016420b4e087" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_41209c8d-2e6f-4aad-98b0-8ba0ea77eeda" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableRelatedPartiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ca542112-2fe1-4a96-8da2-6350674bb160" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_41209c8d-2e6f-4aad-98b0-8ba0ea77eeda" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_2f4f3c42-dc25-4916-a8bb-ce0431bde57a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ca542112-2fe1-4a96-8da2-6350674bb160" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_2f4f3c42-dc25-4916-a8bb-ce0431bde57a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_576761dd-9ad9-43db-bf8a-093ee1609194" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ca542112-2fe1-4a96-8da2-6350674bb160" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_576761dd-9ad9-43db-bf8a-093ee1609194" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis_4235af12-8b9a-4016-88d3-bf969a6ce956" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_576761dd-9ad9-43db-bf8a-093ee1609194" xlink:to="loc_us-gaap_RelatedPartyTransactionAxis_4235af12-8b9a-4016-88d3-bf969a6ce956" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_4235af12-8b9a-4016-88d3-bf969a6ce956_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_4235af12-8b9a-4016-88d3-bf969a6ce956" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_4235af12-8b9a-4016-88d3-bf969a6ce956_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_ccb18d44-8fc4-46f0-8a8c-07bd4a9d1bc1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_4235af12-8b9a-4016-88d3-bf969a6ce956" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_ccb18d44-8fc4-46f0-8a8c-07bd4a9d1bc1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_InsuranceCoverageMember_45b7f456-5724-4246-b450-d3ee2f2cce4b" xlink:href="sym-20220924.xsd#sym_InsuranceCoverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_ccb18d44-8fc4-46f0-8a8c-07bd4a9d1bc1" xlink:to="loc_sym_InsuranceCoverageMember_45b7f456-5724-4246-b450-d3ee2f2cce4b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_AircraftTimeSharingAgreementMember_272265d1-ac07-43a5-b046-38a254a02ca0" xlink:href="sym-20220924.xsd#sym_AircraftTimeSharingAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_ccb18d44-8fc4-46f0-8a8c-07bd4a9d1bc1" xlink:to="loc_sym_AircraftTimeSharingAgreementMember_272265d1-ac07-43a5-b046-38a254a02ca0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_UsageOfFacilityAndEmployeeServicesMember_2742e2d1-6206-4a2e-81b9-889cadccd9f7" xlink:href="sym-20220924.xsd#sym_UsageOfFacilityAndEmployeeServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_ccb18d44-8fc4-46f0-8a8c-07bd4a9d1bc1" xlink:to="loc_sym_UsageOfFacilityAndEmployeeServicesMember_2742e2d1-6206-4a2e-81b9-889cadccd9f7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerContractsMember_308be0b5-19b9-4318-a221-182554adace2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CustomerContractsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_ccb18d44-8fc4-46f0-8a8c-07bd4a9d1bc1" xlink:to="loc_us-gaap_CustomerContractsMember_308be0b5-19b9-4318-a221-182554adace2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_b09cf6fe-a659-4831-9e46-e97b45c62ee7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_576761dd-9ad9-43db-bf8a-093ee1609194" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_b09cf6fe-a659-4831-9e46-e97b45c62ee7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_b09cf6fe-a659-4831-9e46-e97b45c62ee7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_b09cf6fe-a659-4831-9e46-e97b45c62ee7" xlink:to="loc_us-gaap_RelatedPartyDomain_b09cf6fe-a659-4831-9e46-e97b45c62ee7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_a63e6c33-f6c6-415b-b856-837685a8e50f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_b09cf6fe-a659-4831-9e46-e97b45c62ee7" xlink:to="loc_us-gaap_RelatedPartyDomain_a63e6c33-f6c6-415b-b856-837685a8e50f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AffiliatedEntityMember_1f7094a6-82ed-4cb8-99c1-a99662dbf4d6" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_AffiliatedEntityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_a63e6c33-f6c6-415b-b856-837685a8e50f" xlink:to="loc_srt_AffiliatedEntityMember_1f7094a6-82ed-4cb8-99c1-a99662dbf4d6" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/EquityDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#EquityDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/EquityDetails" xlink:type="extended" id="id89a7f5bb42f4d0ba77e96f50907fd04_EquityDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_NumberOfClassesOfMembershipInterests_fc65bb16-f63d-40ba-8087-d3e10971d684" xlink:href="sym-20220924.xsd#sym_NumberOfClassesOfMembershipInterests"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_sym_NumberOfClassesOfMembershipInterests_fc65bb16-f63d-40ba-8087-d3e10971d684" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_NumberOfClassesOfCommonStock_9d80680d-aea0-4d9f-b7ce-3c66f96285a3" xlink:href="sym-20220924.xsd#sym_NumberOfClassesOfCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_sym_NumberOfClassesOfCommonStock_9d80680d-aea0-4d9f-b7ce-3c66f96285a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ExchangeOfStockInConnectionWithMergerRatio_fd55f5d6-b11c-4767-adab-4a5b51d9f6e8" xlink:href="sym-20220924.xsd#sym_ExchangeOfStockInConnectionWithMergerRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_sym_ExchangeOfStockInConnectionWithMergerRatio_fd55f5d6-b11c-4767-adab-4a5b51d9f6e8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_308a7c01-aa29-498e-b30b-b86843f4be80" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_308a7c01-aa29-498e-b30b-b86843f4be80" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_0fb6b404-a206-499c-9ab5-3827e1b1e3c2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_0fb6b404-a206-499c-9ab5-3827e1b1e3c2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_80d49576-9ea2-4012-ac58-cde40b182cd3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_us-gaap_CommonStockSharesIssued_80d49576-9ea2-4012-ac58-cde40b182cd3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_f1c3b7eb-5256-45c0-bbbd-1c07b24894a8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_f1c3b7eb-5256-45c0-bbbd-1c07b24894a8" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_NumberOfVotesPerCommonShare_97e1553d-57e7-4ca6-b75c-6e7e51b4b0a8" xlink:href="sym-20220924.xsd#sym_NumberOfVotesPerCommonShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_sym_NumberOfVotesPerCommonShare_97e1553d-57e7-4ca6-b75c-6e7e51b4b0a8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonStockSharesIssuedUponConversion_61cd9408-c239-4c0a-9ae8-dea09cae761b" xlink:href="sym-20220924.xsd#sym_CommonStockSharesIssuedUponConversion"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_sym_CommonStockSharesIssuedUponConversion_61cd9408-c239-4c0a-9ae8-dea09cae761b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ConversionOfStockTerm_15228df5-5008-46db-a695-cf12b759b130" xlink:href="sym-20220924.xsd#sym_ConversionOfStockTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_sym_ConversionOfStockTerm_15228df5-5008-46db-a695-cf12b759b130" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_666842bc-3044-4365-b7c8-864f96868269" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_666842bc-3044-4365-b7c8-864f96868269" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_cc60dac9-4dbb-4d40-bdd4-39e8fb896f98" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_cc60dac9-4dbb-4d40-bdd4-39e8fb896f98" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_b932ec88-be2c-4216-8b6a-b771ad457a1e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_us-gaap_PreferredStockSharesIssued_b932ec88-be2c-4216-8b6a-b771ad457a1e" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_ed2a9a8a-afa3-4d47-af61-5b4303b978c6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_ed2a9a8a-afa3-4d47-af61-5b4303b978c6" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesAuthorized_0e0c83c3-ddc9-4657-aa09-ad6939b318f0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_us-gaap_TemporaryEquitySharesAuthorized_0e0c83c3-ddc9-4657-aa09-ad6939b318f0" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_db617e0f-9ac3-43e0-93c0-a07b67a9db55" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_us-gaap_TemporaryEquitySharesOutstanding_db617e0f-9ac3-43e0-93c0-a07b67a9db55" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ContributionMadeFromLimitedLiabilityCompanyLLCMemberCashContributions_dd0b1285-cc32-4812-a2b2-44f3cb9d1d2d" xlink:href="sym-20220924.xsd#sym_ContributionMadeFromLimitedLiabilityCompanyLLCMemberCashContributions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_sym_ContributionMadeFromLimitedLiabilityCompanyLLCMemberCashContributions_dd0b1285-cc32-4812-a2b2-44f3cb9d1d2d" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_PreferredStockCumulativeCashDistributions_90fa0e95-723d-4985-b482-6bd8f7504360" xlink:href="sym-20220924.xsd#sym_PreferredStockCumulativeCashDistributions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_sym_PreferredStockCumulativeCashDistributions_90fa0e95-723d-4985-b482-6bd8f7504360" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_PreferredStockCumulativeCashDistributionsAnnualReturnPercent_90307b93-41c1-42fa-9ecd-ae4ec840c440" xlink:href="sym-20220924.xsd#sym_PreferredStockCumulativeCashDistributionsAnnualReturnPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_sym_PreferredStockCumulativeCashDistributionsAnnualReturnPercent_90307b93-41c1-42fa-9ecd-ae4ec840c440" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockLiquidationPreferenceValue_410e4a61-fcce-43e3-a27e-0ac8ed66832d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockLiquidationPreferenceValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_us-gaap_PreferredStockLiquidationPreferenceValue_410e4a61-fcce-43e3-a27e-0ac8ed66832d" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_517a3b73-c9b8-425b-b8b8-b20d8dc9c2e1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7060bfff-c97c-44db-8f7d-752b791e9cb6" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_517a3b73-c9b8-425b-b8b8-b20d8dc9c2e1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_e460044b-0071-4466-826f-a7e7cfe3e86a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_517a3b73-c9b8-425b-b8b8-b20d8dc9c2e1" xlink:to="loc_us-gaap_StatementClassOfStockAxis_e460044b-0071-4466-826f-a7e7cfe3e86a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_e460044b-0071-4466-826f-a7e7cfe3e86a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_e460044b-0071-4466-826f-a7e7cfe3e86a" xlink:to="loc_us-gaap_ClassOfStockDomain_e460044b-0071-4466-826f-a7e7cfe3e86a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_e460044b-0071-4466-826f-a7e7cfe3e86a" xlink:to="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonUnitsClassAMember_163112eb-ec39-4478-969a-0e90f15ecc70" xlink:href="sym-20220924.xsd#sym_CommonUnitsClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:to="loc_sym_CommonUnitsClassAMember_163112eb-ec39-4478-969a-0e90f15ecc70" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemablePreferredUnitsClassBMember_625519f3-f114-4edb-b505-5820ad68b156" xlink:href="sym-20220924.xsd#sym_RedeemablePreferredUnitsClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:to="loc_sym_RedeemablePreferredUnitsClassBMember_625519f3-f114-4edb-b505-5820ad68b156" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemablePreferredUnitsClassB1Member_b686468d-28ed-4a6e-936f-774329dddd94" xlink:href="sym-20220924.xsd#sym_RedeemablePreferredUnitsClassB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:to="loc_sym_RedeemablePreferredUnitsClassB1Member_b686468d-28ed-4a6e-936f-774329dddd94" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemableCommonUnitsClassCMember_a84d9619-a401-4a61-bc22-d8b978e4af5e" xlink:href="sym-20220924.xsd#sym_RedeemableCommonUnitsClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:to="loc_sym_RedeemableCommonUnitsClassCMember_a84d9619-a401-4a61-bc22-d8b978e4af5e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_4d33bb7d-9a1e-49a7-bb2e-a7c9518cca06" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:to="loc_us-gaap_CommonClassAMember_4d33bb7d-9a1e-49a7-bb2e-a7c9518cca06" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV1Member_b160dc31-9c6a-4d3a-b9e6-47f5d6c93239" xlink:href="sym-20220924.xsd#sym_CommonClassV1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:to="loc_sym_CommonClassV1Member_b160dc31-9c6a-4d3a-b9e6-47f5d6c93239" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_CommonClassV3Member_534f1179-3538-4134-9b7b-a1c8b5c61264" xlink:href="sym-20220924.xsd#sym_CommonClassV3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:to="loc_sym_CommonClassV3Member_534f1179-3538-4134-9b7b-a1c8b5c61264" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemableCommonUnitsClassAMember_aee441ea-196f-48eb-a50b-fff4c8f0c9ed" xlink:href="sym-20220924.xsd#sym_RedeemableCommonUnitsClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:to="loc_sym_RedeemableCommonUnitsClassAMember_aee441ea-196f-48eb-a50b-fff4c8f0c9ed" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemableCommonUnitsClassBMember_40655a73-717b-48e7-b8fd-2deb95553a0d" xlink:href="sym-20220924.xsd#sym_RedeemableCommonUnitsClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:to="loc_sym_RedeemableCommonUnitsClassBMember_40655a73-717b-48e7-b8fd-2deb95553a0d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemableCommonUnitsClassB1Member_46da5fcd-3543-48fe-a342-40bedbebf641" xlink:href="sym-20220924.xsd#sym_RedeemableCommonUnitsClassB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:to="loc_sym_RedeemableCommonUnitsClassB1Member_46da5fcd-3543-48fe-a342-40bedbebf641" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_RedeemableCommonUnitsClassB2Member_2b8531b1-c616-45bc-af82-3634f8e0d35b" xlink:href="sym-20220924.xsd#sym_RedeemableCommonUnitsClassB2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_cadcdb1d-3d22-4733-b867-4043b245dab8" xlink:to="loc_sym_RedeemableCommonUnitsClassB2Member_2b8531b1-c616-45bc-af82-3634f8e0d35b" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_0dd51e95-e1b4-4fae-a61a-77f449379bae" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_517a3b73-c9b8-425b-b8b8-b20d8dc9c2e1" xlink:to="loc_srt_CounterpartyNameAxis_0dd51e95-e1b4-4fae-a61a-77f449379bae" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_0dd51e95-e1b4-4fae-a61a-77f449379bae_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_0dd51e95-e1b4-4fae-a61a-77f449379bae" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_0dd51e95-e1b4-4fae-a61a-77f449379bae_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_6a6b0755-783c-4e6c-85cc-b2794b8e4fbf" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_0dd51e95-e1b4-4fae-a61a-77f449379bae" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_6a6b0755-783c-4e6c-85cc-b2794b8e4fbf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_WarehouseTechnologiesLLCMember_f3721df7-d2ea-4808-9cc7-a7033fc43272" xlink:href="sym-20220924.xsd#sym_WarehouseTechnologiesLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_6a6b0755-783c-4e6c-85cc-b2794b8e4fbf" xlink:to="loc_sym_WarehouseTechnologiesLLCMember_f3721df7-d2ea-4808-9cc7-a7033fc43272" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementAxis_f8d1c333-f9f1-4c65-a7ee-a7a2334d43fc" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_517a3b73-c9b8-425b-b8b8-b20d8dc9c2e1" xlink:to="loc_srt_RestatementAxis_f8d1c333-f9f1-4c65-a7ee-a7a2334d43fc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_f8d1c333-f9f1-4c65-a7ee-a7a2334d43fc_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RestatementAxis_f8d1c333-f9f1-4c65-a7ee-a7a2334d43fc" xlink:to="loc_srt_RestatementDomain_f8d1c333-f9f1-4c65-a7ee-a7a2334d43fc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_e26acaad-e9e4-455c-8110-81f5676fb05f" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RestatementAxis_f8d1c333-f9f1-4c65-a7ee-a7a2334d43fc" xlink:to="loc_srt_RestatementDomain_e26acaad-e9e4-455c-8110-81f5676fb05f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioPreviouslyReportedMember_89f0d0e2-4676-43a8-b1b1-7034d2df81b9" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioPreviouslyReportedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RestatementDomain_e26acaad-e9e4-455c-8110-81f5676fb05f" xlink:to="loc_srt_ScenarioPreviouslyReportedMember_89f0d0e2-4676-43a8-b1b1-7034d2df81b9" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/NetLossperShareDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#NetLossperShareDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/NetLossperShareDetails" xlink:type="extended" id="ib5ffbc8630f64e359d8a91588983bf75_NetLossperShareDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDilutedLineItems_46bf1c3e-3f2f-4d7b-b12d-a8113f46b78b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareDilutedLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_3672642b-cc56-44c9-91c1-e12f9468b15b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_46bf1c3e-3f2f-4d7b-b12d-a8113f46b78b" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_3672642b-cc56-44c9-91c1-e12f9468b15b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_4b85f5b4-3b93-4872-915b-951459031fc9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_3672642b-cc56-44c9-91c1-e12f9468b15b" xlink:to="loc_us-gaap_ProfitLoss_4b85f5b4-3b93-4872-915b-951459031fc9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_570977cb-773a-4762-b3da-eb51ccc8af6f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_3672642b-cc56-44c9-91c1-e12f9468b15b" xlink:to="loc_us-gaap_NetIncomeLoss_570977cb-773a-4762-b3da-eb51ccc8af6f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_ae20ef88-fa35-43c5-bb92-d91755ff4cff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_3672642b-cc56-44c9-91c1-e12f9468b15b" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_ae20ef88-fa35-43c5-bb92-d91755ff4cff" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_b33c87d9-eb36-4fd9-92eb-acd4ee98703d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_46bf1c3e-3f2f-4d7b-b12d-a8113f46b78b" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_b33c87d9-eb36-4fd9-92eb-acd4ee98703d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_c788bcf1-741f-42fd-8aa6-e795f6452f0d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_b33c87d9-eb36-4fd9-92eb-acd4ee98703d" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_c788bcf1-741f-42fd-8aa6-e795f6452f0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_991c2a7b-58cb-434d-9591-23f151575502" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_b33c87d9-eb36-4fd9-92eb-acd4ee98703d" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_991c2a7b-58cb-434d-9591-23f151575502" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_6a9a0924-1412-4129-82cb-06b640df24da" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_b33c87d9-eb36-4fd9-92eb-acd4ee98703d" xlink:to="loc_us-gaap_EarningsPerShareBasic_6a9a0924-1412-4129-82cb-06b640df24da" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_3428be62-1519-4873-9860-ec17c637774f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_b33c87d9-eb36-4fd9-92eb-acd4ee98703d" xlink:to="loc_us-gaap_EarningsPerShareDiluted_3428be62-1519-4873-9860-ec17c637774f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_d22446cf-e58b-4972-bddb-886e600cb5a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_46bf1c3e-3f2f-4d7b-b12d-a8113f46b78b" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_d22446cf-e58b-4972-bddb-886e600cb5a7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_76a90bdf-f74a-473f-9e91-7fbf34608379" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_d22446cf-e58b-4972-bddb-886e600cb5a7" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_76a90bdf-f74a-473f-9e91-7fbf34608379" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_76a90bdf-f74a-473f-9e91-7fbf34608379_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_76a90bdf-f74a-473f-9e91-7fbf34608379" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_76a90bdf-f74a-473f-9e91-7fbf34608379_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_35e71ed8-84e1-49c5-b2d6-14778f7b0d07" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_76a90bdf-f74a-473f-9e91-7fbf34608379" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_35e71ed8-84e1-49c5-b2d6-14778f7b0d07" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_WarehouseTechnologiesLLCMember_d296eab4-7ce1-47a9-b4c7-a3a692218247" xlink:href="sym-20220924.xsd#sym_WarehouseTechnologiesLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_35e71ed8-84e1-49c5-b2d6-14778f7b0d07" xlink:to="loc_sym_WarehouseTechnologiesLLCMember_d296eab4-7ce1-47a9-b4c7-a3a692218247" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_58dfca40-9a25-4c1e-b943-da0e5c8625bd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_d22446cf-e58b-4972-bddb-886e600cb5a7" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_58dfca40-9a25-4c1e-b943-da0e5c8625bd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_58dfca40-9a25-4c1e-b943-da0e5c8625bd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_58dfca40-9a25-4c1e-b943-da0e5c8625bd" xlink:to="loc_us-gaap_EquityComponentDomain_58dfca40-9a25-4c1e-b943-da0e5c8625bd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_e57d25fe-15fe-4f61-a3c9-5df5e2527e9d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_58dfca40-9a25-4c1e-b943-da0e5c8625bd" xlink:to="loc_us-gaap_EquityComponentDomain_e57d25fe-15fe-4f61-a3c9-5df5e2527e9d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_810d6d11-4c08-4bd6-9bc7-03dfde81bfa3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_e57d25fe-15fe-4f61-a3c9-5df5e2527e9d" xlink:to="loc_us-gaap_NoncontrollingInterestMember_810d6d11-4c08-4bd6-9bc7-03dfde81bfa3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsNarrativeDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#StockBasedCompensationandWarrantUnitsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsNarrativeDetails" xlink:type="extended" id="i84ea38e002cc4891b9822bbcddf0d9eb_StockBasedCompensationandWarrantUnitsNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_1b8e4701-73f7-4e7b-b9a7-04156b214358" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_1b8e4701-73f7-4e7b-b9a7-04156b214358" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_edbe7255-be8f-41e7-bd6f-43881387bff7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_edbe7255-be8f-41e7-bd6f-43881387bff7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_29b100f9-b885-4a04-af75-2842ee5d1776" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_29b100f9-b885-4a04-af75-2842ee5d1776" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_a3838e89-0c63-42e6-975e-f76457fa9144" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_a3838e89-0c63-42e6-975e-f76457fa9144" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested_732df7d4-0d6c-4682-9e83-39229bda9ac7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested_732df7d4-0d6c-4682-9e83-39229bda9ac7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_cfeaa340-bcbf-48cd-93a8-7d6b3538783c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_cfeaa340-bcbf-48cd-93a8-7d6b3538783c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3ec6f75d-ba1f-4448-870e-68d83f9367d1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3ec6f75d-ba1f-4448-870e-68d83f9367d1" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested_f2b05032-3cc7-4475-912f-84802f1d707d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested_f2b05032-3cc7-4475-912f-84802f1d707d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_01c5bc07-0ece-43a6-91a6-7f2ca1ff059b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_01c5bc07-0ece-43a6-91a6-7f2ca1ff059b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_30c7dbf5-cdfe-4145-9d84-357918619060" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_30c7dbf5-cdfe-4145-9d84-357918619060" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValuePerUnit_2646c2fd-15cd-4243-8ac6-491af0f022c7" xlink:href="sym-20220924.xsd#sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValuePerUnit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValuePerUnit_2646c2fd-15cd-4243-8ac6-491af0f022c7" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_05f66c50-3230-4359-beab-d417fa4bb63b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_05f66c50-3230-4359-beab-d417fa4bb63b" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ShareBasedCompensationArrangementConversionOfUnitsNumberOfEmployees_3c024ab2-afb3-4624-9375-057848da74bd" xlink:href="sym-20220924.xsd#sym_ShareBasedCompensationArrangementConversionOfUnitsNumberOfEmployees"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ShareBasedCompensationArrangementConversionOfUnitsNumberOfEmployees_3c024ab2-afb3-4624-9375-057848da74bd" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_53cd9688-0e2f-46d6-8641-c423528d026c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_53cd9688-0e2f-46d6-8641-c423528d026c" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_370fb557-c923-4f4d-ab7f-76db06e96884" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_370fb557-c923-4f4d-ab7f-76db06e96884" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_AdjustmentsToAdditionalPaidInCapitalWarrantIssuedStepUp_ccf12848-6364-4937-868d-116ede0a22ac" xlink:href="sym-20220924.xsd#sym_AdjustmentsToAdditionalPaidInCapitalWarrantIssuedStepUp"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_AdjustmentsToAdditionalPaidInCapitalWarrantIssuedStepUp_ccf12848-6364-4937-868d-116ede0a22ac" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardConversionRatio_e882706c-64f5-4a7c-a7c1-63ff4556aced" xlink:href="sym-20220924.xsd#sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardConversionRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardConversionRatio_e882706c-64f5-4a7c-a7c1-63ff4556aced" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_c01e9efd-3725-45f0-a609-798edcd25ccd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_c01e9efd-3725-45f0-a609-798edcd25ccd" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsRevenueThreshold_a279723c-f8ae-4ac1-a297-e9a3134424f9" xlink:href="sym-20220924.xsd#sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsRevenueThreshold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsRevenueThreshold_a279723c-f8ae-4ac1-a297-e9a3134424f9" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_ce741b28-0f2f-44e6-b4a7-c96efea80e00" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_ce741b28-0f2f-44e6-b4a7-c96efea80e00" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightVestingPercentageOfOutstandingAndIssuableShare_4c2b00b5-d9b5-4491-a235-23f15dea75fd" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightVestingPercentageOfOutstandingAndIssuableShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ClassOfWarrantOrRightVestingPercentageOfOutstandingAndIssuableShare_4c2b00b5-d9b5-4491-a235-23f15dea75fd" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightVestedInPeriod_2a7c2f54-0f68-4921-8d29-0734c33729c1" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ClassOfWarrantOrRightVestedInPeriod_2a7c2f54-0f68-4921-8d29-0734c33729c1" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightWeightedAverageGrantDateFairValue_0ceb82c6-cb83-4398-9fb3-7855b86e13f4" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ClassOfWarrantOrRightWeightedAverageGrantDateFairValue_0ceb82c6-cb83-4398-9fb3-7855b86e13f4" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_NumberOfWarrantTranches_9dec2bfc-49e0-4646-8a78-224accf28ed3" xlink:href="sym-20220924.xsd#sym_NumberOfWarrantTranches"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_NumberOfWarrantTranches_9dec2bfc-49e0-4646-8a78-224accf28ed3" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightWarrantsVestedPerTranche_9e6b4608-0ef7-426b-8bc1-ba5304dfcd85" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightWarrantsVestedPerTranche"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ClassOfWarrantOrRightWarrantsVestedPerTranche_9e6b4608-0ef7-426b-8bc1-ba5304dfcd85" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_29464d71-befe-40d5-92ff-c123a9cae2c3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_29464d71-befe-40d5-92ff-c123a9cae2c3" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightExercisesInPeriod_104f7ffa-1e13-43f4-958b-ead2aea800bd" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightExercisesInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ClassOfWarrantOrRightExercisesInPeriod_104f7ffa-1e13-43f4-958b-ead2aea800bd" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodValueWarrantExercises_ceead553-329e-4ba6-a460-a3ab59a47d6c" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodValueWarrantExercises"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_StockIssuedDuringPeriodValueWarrantExercises_ceead553-329e-4ba6-a460-a3ab59a47d6c" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_StockIssuedDuringPeriodSharesWarrantExercises_5478a5ac-522c-4e6e-bcc4-167c422620eb" xlink:href="sym-20220924.xsd#sym_StockIssuedDuringPeriodSharesWarrantExercises"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_StockIssuedDuringPeriodSharesWarrantExercises_5478a5ac-522c-4e6e-bcc4-167c422620eb" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_NumberOfDistributionCenters_5652fee0-20e7-410f-89ad-337487c9c832" xlink:href="sym-20220924.xsd#sym_NumberOfDistributionCenters"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_NumberOfDistributionCenters_5652fee0-20e7-410f-89ad-337487c9c832" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightVestingTermsPercentageOfOutstandingStockMaximum_33259040-0e25-4781-808d-54d4bfae0e58" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightVestingTermsPercentageOfOutstandingStockMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ClassOfWarrantOrRightVestingTermsPercentageOfOutstandingStockMaximum_33259040-0e25-4781-808d-54d4bfae0e58" xlink:type="arc" order="30"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightProvisionForTransactionPriceReduction_0167e36b-bed7-43ae-ad54-3227f815714d" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightProvisionForTransactionPriceReduction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ClassOfWarrantOrRightProvisionForTransactionPriceReduction_0167e36b-bed7-43ae-ad54-3227f815714d" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightNonvestedAwardCostNotYetRecognizedAmount_01a269f4-8198-46ef-9d06-757e0b252986" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightNonvestedAwardCostNotYetRecognizedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ClassOfWarrantOrRightNonvestedAwardCostNotYetRecognizedAmount_01a269f4-8198-46ef-9d06-757e0b252986" xlink:type="arc" order="32"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightAwardVestingPeriod_ecde48f4-15b6-407b-898b-096bdc9d44f2" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightAwardVestingPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ClassOfWarrantOrRightAwardVestingPeriod_ecde48f4-15b6-407b-898b-096bdc9d44f2" xlink:type="arc" order="33"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightVestedAndExercisable_903c449e-3847-43b4-a6f6-f5206ba6f5cb" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightVestedAndExercisable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_sym_ClassOfWarrantOrRightVestedAndExercisable_903c449e-3847-43b4-a6f6-f5206ba6f5cb" xlink:type="arc" order="34"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d0932997-495c-4843-8f07-24c77bfcf0ae" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_88eb0b6d-65f8-4635-965e-ded71715b7e9" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d0932997-495c-4843-8f07-24c77bfcf0ae" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_856af75c-f247-4937-b09a-96f8e7777111" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PlanNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d0932997-495c-4843-8f07-24c77bfcf0ae" xlink:to="loc_us-gaap_PlanNameAxis_856af75c-f247-4937-b09a-96f8e7777111" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_856af75c-f247-4937-b09a-96f8e7777111_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_856af75c-f247-4937-b09a-96f8e7777111" xlink:to="loc_us-gaap_PlanNameDomain_856af75c-f247-4937-b09a-96f8e7777111_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_e51ce773-1774-4b47-9b37-39b3a09d8325" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_856af75c-f247-4937-b09a-96f8e7777111" xlink:to="loc_us-gaap_PlanNameDomain_e51ce773-1774-4b47-9b37-39b3a09d8325" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_A2022PlanMember_56a97f04-c5e2-421e-aa23-81dc5b0d06cd" xlink:href="sym-20220924.xsd#sym_A2022PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_e51ce773-1774-4b47-9b37-39b3a09d8325" xlink:to="loc_sym_A2022PlanMember_56a97f04-c5e2-421e-aa23-81dc5b0d06cd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_LegacyPlansMember_f9bf5edc-952a-4cf5-acd1-ea257ce8c594" xlink:href="sym-20220924.xsd#sym_LegacyPlansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_e51ce773-1774-4b47-9b37-39b3a09d8325" xlink:to="loc_sym_LegacyPlansMember_f9bf5edc-952a-4cf5-acd1-ea257ce8c594" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_025a63f9-7a11-42ab-a853-f4e53958516e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d0932997-495c-4843-8f07-24c77bfcf0ae" xlink:to="loc_us-gaap_AwardTypeAxis_025a63f9-7a11-42ab-a853-f4e53958516e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_025a63f9-7a11-42ab-a853-f4e53958516e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_025a63f9-7a11-42ab-a853-f4e53958516e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_025a63f9-7a11-42ab-a853-f4e53958516e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0b54e2cd-0452-4131-aca3-c9520794c836" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_025a63f9-7a11-42ab-a853-f4e53958516e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0b54e2cd-0452-4131-aca3-c9520794c836" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ServiceBasedRestrictedStockUnitsRSUsMember_c64d2961-bc8c-4c71-9878-5478c1747e5e" xlink:href="sym-20220924.xsd#sym_ServiceBasedRestrictedStockUnitsRSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0b54e2cd-0452-4131-aca3-c9520794c836" xlink:to="loc_sym_ServiceBasedRestrictedStockUnitsRSUsMember_c64d2961-bc8c-4c71-9878-5478c1747e5e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_8d99cb8d-c663-4eb2-b5da-7725268de6b4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0b54e2cd-0452-4131-aca3-c9520794c836" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_8d99cb8d-c663-4eb2-b5da-7725268de6b4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassCUnitsMember_04e482ed-e507-4a9e-818e-afb6d826e673" xlink:href="sym-20220924.xsd#sym_ClassCUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0b54e2cd-0452-4131-aca3-c9520794c836" xlink:to="loc_sym_ClassCUnitsMember_04e482ed-e507-4a9e-818e-afb6d826e673" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ValueAppreciationUnitsMember_4cb6fc1c-360c-4f34-890e-070ebf67ec52" xlink:href="sym-20220924.xsd#sym_ValueAppreciationUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0b54e2cd-0452-4131-aca3-c9520794c836" xlink:to="loc_sym_ValueAppreciationUnitsMember_4cb6fc1c-360c-4f34-890e-070ebf67ec52" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassACommonUnitsMember_6008c2dc-a544-43c6-afb5-811551286e8a" xlink:href="sym-20220924.xsd#sym_ClassACommonUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0b54e2cd-0452-4131-aca3-c9520794c836" xlink:to="loc_sym_ClassACommonUnitsMember_6008c2dc-a544-43c6-afb5-811551286e8a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_1ed10a9c-abc1-4a30-84e6-4cee74c1f34a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d0932997-495c-4843-8f07-24c77bfcf0ae" xlink:to="loc_us-gaap_VestingAxis_1ed10a9c-abc1-4a30-84e6-4cee74c1f34a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_1ed10a9c-abc1-4a30-84e6-4cee74c1f34a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_1ed10a9c-abc1-4a30-84e6-4cee74c1f34a" xlink:to="loc_us-gaap_VestingDomain_1ed10a9c-abc1-4a30-84e6-4cee74c1f34a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_e551f831-0222-4bac-8086-4c1a547d1658" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_1ed10a9c-abc1-4a30-84e6-4cee74c1f34a" xlink:to="loc_us-gaap_VestingDomain_e551f831-0222-4bac-8086-4c1a547d1658" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_70759133-4156-4055-a86c-443c3d66c74b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_e551f831-0222-4bac-8086-4c1a547d1658" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_70759133-4156-4055-a86c-443c3d66c74b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_c7f37365-bc32-4a35-977d-5be646939ed4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_e551f831-0222-4bac-8086-4c1a547d1658" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_c7f37365-bc32-4a35-977d-5be646939ed4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_b3e6b89d-47c7-40ea-920c-91d51ee30a3d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_e551f831-0222-4bac-8086-4c1a547d1658" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_b3e6b89d-47c7-40ea-920c-91d51ee30a3d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_44155112-5ee9-454e-885d-f57fe4d5c8dd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d0932997-495c-4843-8f07-24c77bfcf0ae" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_44155112-5ee9-454e-885d-f57fe4d5c8dd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_44155112-5ee9-454e-885d-f57fe4d5c8dd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_44155112-5ee9-454e-885d-f57fe4d5c8dd" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_44155112-5ee9-454e-885d-f57fe4d5c8dd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_3b6af214-031c-4ee1-86ba-a23e0436edea" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_44155112-5ee9-454e-885d-f57fe4d5c8dd" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_3b6af214-031c-4ee1-86ba-a23e0436edea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_WarrantsMember_8472960a-c8d5-453d-b8f9-2ccc4d54b7c5" xlink:href="sym-20220924.xsd#sym_WarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_3b6af214-031c-4ee1-86ba-a23e0436edea" xlink:to="loc_sym_WarrantsMember_8472960a-c8d5-453d-b8f9-2ccc4d54b7c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_May2022WarrantsMember_004a834e-5c62-4bc4-9a87-6db2ff33d354" xlink:href="sym-20220924.xsd#sym_May2022WarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_3b6af214-031c-4ee1-86ba-a23e0436edea" xlink:to="loc_sym_May2022WarrantsMember_004a834e-5c62-4bc4-9a87-6db2ff33d354" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_June2022WarrantsMember_9de8d804-ffc2-4490-8af3-898e46f1368b" xlink:href="sym-20220924.xsd#sym_June2022WarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_3b6af214-031c-4ee1-86ba-a23e0436edea" xlink:to="loc_sym_June2022WarrantsMember_9de8d804-ffc2-4490-8af3-898e46f1368b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_3f479547-ba15-4794-823a-2705258fd477" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d0932997-495c-4843-8f07-24c77bfcf0ae" xlink:to="loc_srt_CounterpartyNameAxis_3f479547-ba15-4794-823a-2705258fd477" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_3f479547-ba15-4794-823a-2705258fd477_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_3f479547-ba15-4794-823a-2705258fd477" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_3f479547-ba15-4794-823a-2705258fd477_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_57ba8ec9-295e-414c-8892-649bedfff20f" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_3f479547-ba15-4794-823a-2705258fd477" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_57ba8ec9-295e-414c-8892-649bedfff20f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_LegacyVAPUnitHoldersMember_4f46e9d3-8669-4c6b-b4c0-df7425ba79ed" xlink:href="sym-20220924.xsd#sym_LegacyVAPUnitHoldersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_57ba8ec9-295e-414c-8892-649bedfff20f" xlink:to="loc_sym_LegacyVAPUnitHoldersMember_4f46e9d3-8669-4c6b-b4c0-df7425ba79ed" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofTotalStockBasedCompensationDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#StockBasedCompensationandWarrantUnitsSummaryofTotalStockBasedCompensationDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofTotalStockBasedCompensationDetails" xlink:type="extended" id="i83984e6f824d4dbe948a6d06a824610d_StockBasedCompensationandWarrantUnitsSummaryofTotalStockBasedCompensationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_842660e5-21b6-4faa-be48-88476b7a8ee4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_0f03fe42-0d9b-42bd-992e-42e4e6cc03da" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_842660e5-21b6-4faa-be48-88476b7a8ee4" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_0f03fe42-0d9b-42bd-992e-42e4e6cc03da" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_77338c84-1720-430b-9000-9378d949d11a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_842660e5-21b6-4faa-be48-88476b7a8ee4" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_77338c84-1720-430b-9000-9378d949d11a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_34c652e1-fac8-4c2e-b0d6-53fdf69836bd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_77338c84-1720-430b-9000-9378d949d11a" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_34c652e1-fac8-4c2e-b0d6-53fdf69836bd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_34c652e1-fac8-4c2e-b0d6-53fdf69836bd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_34c652e1-fac8-4c2e-b0d6-53fdf69836bd" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_34c652e1-fac8-4c2e-b0d6-53fdf69836bd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_ed177410-ff95-4082-a802-903e9f0dfb53" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_34c652e1-fac8-4c2e-b0d6-53fdf69836bd" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_ed177410-ff95-4082-a802-903e9f0dfb53" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_e75b5b7e-b38e-4075-ba8b-11d4f4328bfe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ResearchAndDevelopmentExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_ed177410-ff95-4082-a802-903e9f0dfb53" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_e75b5b7e-b38e-4075-ba8b-11d4f4328bfe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_57d19e78-4179-4166-afd6-9196fa0dec33" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_ed177410-ff95-4082-a802-903e9f0dfb53" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_57d19e78-4179-4166-afd6-9196fa0dec33" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofRestrictedStockUnitsGrantedDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#StockBasedCompensationandWarrantUnitsSummaryofRestrictedStockUnitsGrantedDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofRestrictedStockUnitsGrantedDetails" xlink:type="extended" id="ia9150fd397c34bc997301bc26500c247_StockBasedCompensationandWarrantUnitsSummaryofRestrictedStockUnitsGrantedDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_23f74ce6-dd7d-4771-b679-e22c9400a9a4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_03c1e399-8897-4297-8f9a-233b55e95d22" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_23f74ce6-dd7d-4771-b679-e22c9400a9a4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_03c1e399-8897-4297-8f9a-233b55e95d22" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3abf6456-d7cf-4e04-9705-48f2ac95c80a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_23f74ce6-dd7d-4771-b679-e22c9400a9a4" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3abf6456-d7cf-4e04-9705-48f2ac95c80a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_43742c20-f12a-47bb-a2a5-45b9a624af58" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3abf6456-d7cf-4e04-9705-48f2ac95c80a" xlink:to="loc_us-gaap_AwardTypeAxis_43742c20-f12a-47bb-a2a5-45b9a624af58" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_43742c20-f12a-47bb-a2a5-45b9a624af58_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_43742c20-f12a-47bb-a2a5-45b9a624af58" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_43742c20-f12a-47bb-a2a5-45b9a624af58_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fbfb0752-1f3e-48de-a02a-d740d1f13a64" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_43742c20-f12a-47bb-a2a5-45b9a624af58" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fbfb0752-1f3e-48de-a02a-d740d1f13a64" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ServiceBasedRestrictedStockUnitsRSUsMember_c44751a2-87f8-40b6-b5e2-43696c22e81f" xlink:href="sym-20220924.xsd#sym_ServiceBasedRestrictedStockUnitsRSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fbfb0752-1f3e-48de-a02a-d740d1f13a64" xlink:to="loc_sym_ServiceBasedRestrictedStockUnitsRSUsMember_c44751a2-87f8-40b6-b5e2-43696c22e81f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_PerformanceBasedRestrictedStockUnitsRSUsMember_6612714e-418c-4871-92eb-b57414c02552" xlink:href="sym-20220924.xsd#sym_PerformanceBasedRestrictedStockUnitsRSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fbfb0752-1f3e-48de-a02a-d740d1f13a64" xlink:to="loc_sym_PerformanceBasedRestrictedStockUnitsRSUsMember_6612714e-418c-4871-92eb-b57414c02552" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_436786fb-f78a-4b55-a26a-1f78455aeb13" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fbfb0752-1f3e-48de-a02a-d740d1f13a64" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_436786fb-f78a-4b55-a26a-1f78455aeb13" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofRestrictedStockUnitActivityDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#StockBasedCompensationandWarrantUnitsSummaryofRestrictedStockUnitActivityDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofRestrictedStockUnitActivityDetails" xlink:type="extended" id="ie9786657540841dfaa3ac71b4adaf295_StockBasedCompensationandWarrantUnitsSummaryofRestrictedStockUnitActivityDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f2068ffe-2069-43fc-9088-c19025a9b546" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_6b290bda-1c9c-4268-8efd-4ac3021419c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f2068ffe-2069-43fc-9088-c19025a9b546" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_6b290bda-1c9c-4268-8efd-4ac3021419c4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6d0675b2-c5c5-4128-aff4-112ae2d2a13c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_6b290bda-1c9c-4268-8efd-4ac3021419c4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6d0675b2-c5c5-4128-aff4-112ae2d2a13c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_4fec3e61-d458-4b76-af98-c10acccb06f7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_6b290bda-1c9c-4268-8efd-4ac3021419c4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_4fec3e61-d458-4b76-af98-c10acccb06f7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_575cc760-c11e-40eb-9447-36fb10902444" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_6b290bda-1c9c-4268-8efd-4ac3021419c4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_575cc760-c11e-40eb-9447-36fb10902444" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_10edf549-3bb5-4812-a204-8472b9945ebc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_6b290bda-1c9c-4268-8efd-4ac3021419c4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_10edf549-3bb5-4812-a204-8472b9945ebc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_c365590a-5124-4b03-a211-e4ec192d0aab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_9369bf47-0a31-4b7e-a686-c68ac5b83456" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f2068ffe-2069-43fc-9088-c19025a9b546" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_9369bf47-0a31-4b7e-a686-c68ac5b83456" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_817688dd-e171-4ffb-9aa9-83ff91898fc8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_9369bf47-0a31-4b7e-a686-c68ac5b83456" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_817688dd-e171-4ffb-9aa9-83ff91898fc8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_ffdb08ed-941b-46c5-bbdc-c7a0d04a2955" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_9369bf47-0a31-4b7e-a686-c68ac5b83456" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_ffdb08ed-941b-46c5-bbdc-c7a0d04a2955" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_9fbebb00-8968-42bb-adc7-1db6aabf7afc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_9369bf47-0a31-4b7e-a686-c68ac5b83456" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_9fbebb00-8968-42bb-adc7-1db6aabf7afc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_ec2a88d3-91d5-4643-8b87-dda367ae4194" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_9369bf47-0a31-4b7e-a686-c68ac5b83456" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_ec2a88d3-91d5-4643-8b87-dda367ae4194" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_c8e92c88-64df-4e1e-9ebd-a74e320125d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_10addb08-fae1-4e4c-9c0c-55bb87ec1312" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f2068ffe-2069-43fc-9088-c19025a9b546" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_10addb08-fae1-4e4c-9c0c-55bb87ec1312" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_a3e1467e-506b-4e29-989d-bd469f1ae01c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_10addb08-fae1-4e4c-9c0c-55bb87ec1312" xlink:to="loc_us-gaap_AwardTypeAxis_a3e1467e-506b-4e29-989d-bd469f1ae01c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a3e1467e-506b-4e29-989d-bd469f1ae01c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_a3e1467e-506b-4e29-989d-bd469f1ae01c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a3e1467e-506b-4e29-989d-bd469f1ae01c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a766d299-d4e9-46d1-be56-c2fe5be6c447" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_a3e1467e-506b-4e29-989d-bd469f1ae01c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a766d299-d4e9-46d1-be56-c2fe5be6c447" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_68198d9e-d28b-4c0b-9b86-55a7469b75b1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a766d299-d4e9-46d1-be56-c2fe5be6c447" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_68198d9e-d28b-4c0b-9b86-55a7469b75b1" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofClassCUnitsOutstandingandVestedDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#StockBasedCompensationandWarrantUnitsSummaryofClassCUnitsOutstandingandVestedDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofClassCUnitsOutstandingandVestedDetails" xlink:type="extended" id="i79c9f64e24704f67918d7045be4c1685_StockBasedCompensationandWarrantUnitsSummaryofClassCUnitsOutstandingandVestedDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4130f648-0750-4670-b116-9d7fb0142089" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5e36702f-ecd7-44b9-958c-c6ffafde5c98" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4130f648-0750-4670-b116-9d7fb0142089" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5e36702f-ecd7-44b9-958c-c6ffafde5c98" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_bdaa09f5-e396-4028-b8e5-3f458f8c0077" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5e36702f-ecd7-44b9-958c-c6ffafde5c98" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_bdaa09f5-e396-4028-b8e5-3f458f8c0077" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_509b8300-7df4-4975-b6c5-de093c3174c7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5e36702f-ecd7-44b9-958c-c6ffafde5c98" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_509b8300-7df4-4975-b6c5-de093c3174c7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_ee698abb-109d-418b-a53e-24176a804fbe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5e36702f-ecd7-44b9-958c-c6ffafde5c98" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_ee698abb-109d-418b-a53e-24176a804fbe" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_3a72c8e6-16da-482d-a13d-0c5b6a55a72e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5e36702f-ecd7-44b9-958c-c6ffafde5c98" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_3a72c8e6-16da-482d-a13d-0c5b6a55a72e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_2c4f1e12-a5c4-4bad-8b8b-859b0a2b0ab5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVested_7e94a6cc-e0d6-4d6d-8861-a00763eadf28" xlink:href="sym-20220924.xsd#sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4130f648-0750-4670-b116-9d7fb0142089" xlink:to="loc_sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVested_7e94a6cc-e0d6-4d6d-8861-a00763eadf28" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d99ee51d-2583-4fd0-b6cc-f090a6788c69" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4130f648-0750-4670-b116-9d7fb0142089" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d99ee51d-2583-4fd0-b6cc-f090a6788c69" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_2e89f49b-3638-4ac6-a507-aaeced8b2dd8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d99ee51d-2583-4fd0-b6cc-f090a6788c69" xlink:to="loc_us-gaap_AwardTypeAxis_2e89f49b-3638-4ac6-a507-aaeced8b2dd8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2e89f49b-3638-4ac6-a507-aaeced8b2dd8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_2e89f49b-3638-4ac6-a507-aaeced8b2dd8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2e89f49b-3638-4ac6-a507-aaeced8b2dd8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a66c7424-e438-49c2-a240-749e542810f0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_2e89f49b-3638-4ac6-a507-aaeced8b2dd8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a66c7424-e438-49c2-a240-749e542810f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassCUnitsMember_5ac1c556-e3e9-4a70-8e0d-7fbfd6f79957" xlink:href="sym-20220924.xsd#sym_ClassCUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a66c7424-e438-49c2-a240-749e542810f0" xlink:to="loc_sym_ClassCUnitsMember_5ac1c556-e3e9-4a70-8e0d-7fbfd6f79957" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_e22f024f-f4b5-4037-aec6-f38a1337c662" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a66c7424-e438-49c2-a240-749e542810f0" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_e22f024f-f4b5-4037-aec6-f38a1337c662" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofClassCUnitsValuationAssumptionsDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#StockBasedCompensationandWarrantUnitsSummaryofClassCUnitsValuationAssumptionsDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofClassCUnitsValuationAssumptionsDetails" xlink:type="extended" id="if88b358236ce4289a74636049f5d96d3_StockBasedCompensationandWarrantUnitsSummaryofClassCUnitsValuationAssumptionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_a28ee2b1-a400-43f1-9d94-bae7b773c604" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_b74f2a60-33cc-4942-be63-6497fa57aa86" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_a28ee2b1-a400-43f1-9d94-bae7b773c604" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_b74f2a60-33cc-4942-be63-6497fa57aa86" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_25fcfdbb-4c32-443c-977c-4341db2c616e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_a28ee2b1-a400-43f1-9d94-bae7b773c604" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_25fcfdbb-4c32-443c-977c-4341db2c616e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_ce7f8c87-1669-44aa-a7a3-6b4f372db57e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_a28ee2b1-a400-43f1-9d94-bae7b773c604" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_ce7f8c87-1669-44aa-a7a3-6b4f372db57e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_d86767d0-c902-4858-94c0-e5cb58d42578" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_a28ee2b1-a400-43f1-9d94-bae7b773c604" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_d86767d0-c902-4858-94c0-e5cb58d42578" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_47d3ecf5-7315-4ce4-81d2-ad11ce390841" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_a28ee2b1-a400-43f1-9d94-bae7b773c604" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_47d3ecf5-7315-4ce4-81d2-ad11ce390841" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_93fb7a15-9759-46f4-a1ce-7c4ff0234ed9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_47d3ecf5-7315-4ce4-81d2-ad11ce390841" xlink:to="loc_us-gaap_AwardTypeAxis_93fb7a15-9759-46f4-a1ce-7c4ff0234ed9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_93fb7a15-9759-46f4-a1ce-7c4ff0234ed9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_93fb7a15-9759-46f4-a1ce-7c4ff0234ed9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_93fb7a15-9759-46f4-a1ce-7c4ff0234ed9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_07e41bb6-223d-4d5b-acc2-bc493f18a75f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_93fb7a15-9759-46f4-a1ce-7c4ff0234ed9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_07e41bb6-223d-4d5b-acc2-bc493f18a75f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassCUnitsMember_63c48ee0-e294-4bc3-974e-9c338c1cf01f" xlink:href="sym-20220924.xsd#sym_ClassCUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_07e41bb6-223d-4d5b-acc2-bc493f18a75f" xlink:to="loc_sym_ClassCUnitsMember_63c48ee0-e294-4bc3-974e-9c338c1cf01f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofValueAppreciationUnitsOutstandingandVestedDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#StockBasedCompensationandWarrantUnitsSummaryofValueAppreciationUnitsOutstandingandVestedDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofValueAppreciationUnitsOutstandingandVestedDetails" xlink:type="extended" id="ie778571020af4f0b978757de0f5ce3a4_StockBasedCompensationandWarrantUnitsSummaryofValueAppreciationUnitsOutstandingandVestedDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_cacdacf7-45a3-4aa7-bf4a-2bc4be5fc86f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_ee4c68d0-b62a-43f2-a363-fe3f11b71763" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_cacdacf7-45a3-4aa7-bf4a-2bc4be5fc86f" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_ee4c68d0-b62a-43f2-a363-fe3f11b71763" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_a7c88922-b135-4b2a-ab8c-1a1da8478795" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_ee4c68d0-b62a-43f2-a363-fe3f11b71763" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_a7c88922-b135-4b2a-ab8c-1a1da8478795" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_094068b7-70c4-46be-9f67-6c46949800c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_ee4c68d0-b62a-43f2-a363-fe3f11b71763" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_094068b7-70c4-46be-9f67-6c46949800c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised_ebe05832-5ce5-4a95-8ce6-e72ca0e81f5f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_ee4c68d0-b62a-43f2-a363-fe3f11b71763" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised_ebe05832-5ce5-4a95-8ce6-e72ca0e81f5f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures_f5e1c52b-a975-45b7-8820-6b840f8dc0a1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_ee4c68d0-b62a-43f2-a363-fe3f11b71763" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures_f5e1c52b-a975-45b7-8820-6b840f8dc0a1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsSharesConverted_41f7f53d-5c8d-4761-9e28-6bf4aa5e2a09" xlink:href="sym-20220924.xsd#sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsSharesConverted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_ee4c68d0-b62a-43f2-a363-fe3f11b71763" xlink:to="loc_sym_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsSharesConverted_41f7f53d-5c8d-4761-9e28-6bf4aa5e2a09" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_c28d6e3a-95db-4ce1-a156-531e04f5e48b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_cda37898-1288-4296-9b55-99815ff88048" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_cacdacf7-45a3-4aa7-bf4a-2bc4be5fc86f" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_cda37898-1288-4296-9b55-99815ff88048" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_ca9c0ba9-e260-4670-b068-c6dd380bd804" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_cda37898-1288-4296-9b55-99815ff88048" xlink:to="loc_us-gaap_AwardTypeAxis_ca9c0ba9-e260-4670-b068-c6dd380bd804" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ca9c0ba9-e260-4670-b068-c6dd380bd804_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_ca9c0ba9-e260-4670-b068-c6dd380bd804" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ca9c0ba9-e260-4670-b068-c6dd380bd804_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_57a06589-f3da-43c0-8390-9b333c216f6e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_ca9c0ba9-e260-4670-b068-c6dd380bd804" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_57a06589-f3da-43c0-8390-9b333c216f6e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ValueAppreciationUnitsMember_ad9dc983-320c-4180-a885-3faf287030fa" xlink:href="sym-20220924.xsd#sym_ValueAppreciationUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_57a06589-f3da-43c0-8390-9b333c216f6e" xlink:to="loc_sym_ValueAppreciationUnitsMember_ad9dc983-320c-4180-a885-3faf287030fa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_b4f03c7e-1e4f-4252-8556-0b34a0ef835e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_57a06589-f3da-43c0-8390-9b333c216f6e" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_b4f03c7e-1e4f-4252-8556-0b34a0ef835e" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofWarrantsValuationAssumptionsDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#StockBasedCompensationandWarrantUnitsSummaryofWarrantsValuationAssumptionsDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofWarrantsValuationAssumptionsDetails" xlink:type="extended" id="icdbaea4d1ba646e6bb272a05d25843ce_StockBasedCompensationandWarrantUnitsSummaryofWarrantsValuationAssumptionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2ad1a78c-0faa-426a-abab-c1a2ae2d4f5b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstandingMeasurementInput_da3a4d22-9042-4f59-9a8f-625759139099" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WarrantsAndRightsOutstandingMeasurementInput"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2ad1a78c-0faa-426a-abab-c1a2ae2d4f5b" xlink:to="loc_us-gaap_WarrantsAndRightsOutstandingMeasurementInput_da3a4d22-9042-4f59-9a8f-625759139099" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_30a6ac2d-b010-453a-8d7f-db0f99df96bc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2ad1a78c-0faa-426a-abab-c1a2ae2d4f5b" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_30a6ac2d-b010-453a-8d7f-db0f99df96bc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_f4fe053c-b10f-45f9-a2cd-359eeb192b99" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_30a6ac2d-b010-453a-8d7f-db0f99df96bc" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_f4fe053c-b10f-45f9-a2cd-359eeb192b99" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_f4fe053c-b10f-45f9-a2cd-359eeb192b99_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_f4fe053c-b10f-45f9-a2cd-359eeb192b99" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_f4fe053c-b10f-45f9-a2cd-359eeb192b99_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_895bdf83-8806-497b-9256-aaf211112375" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_f4fe053c-b10f-45f9-a2cd-359eeb192b99" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_895bdf83-8806-497b-9256-aaf211112375" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputExpectedDividendRateMember_245f3dc3-2add-4953-af10-0d0b9dc1b745" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputExpectedDividendRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_895bdf83-8806-497b-9256-aaf211112375" xlink:to="loc_us-gaap_MeasurementInputExpectedDividendRateMember_245f3dc3-2add-4953-af10-0d0b9dc1b745" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputPriceVolatilityMember_d1a145e1-8e5b-4437-bebe-2f908808cbc5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputPriceVolatilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_895bdf83-8806-497b-9256-aaf211112375" xlink:to="loc_us-gaap_MeasurementInputPriceVolatilityMember_d1a145e1-8e5b-4437-bebe-2f908808cbc5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputRiskFreeInterestRateMember_219b5264-c1f5-4482-b3d2-67397a5f2054" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputRiskFreeInterestRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_895bdf83-8806-497b-9256-aaf211112375" xlink:to="loc_us-gaap_MeasurementInputRiskFreeInterestRateMember_219b5264-c1f5-4482-b3d2-67397a5f2054" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputExpectedTermMember_946cf783-8a52-4ad7-893a-9e7430584568" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputExpectedTermMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_895bdf83-8806-497b-9256-aaf211112375" xlink:to="loc_us-gaap_MeasurementInputExpectedTermMember_946cf783-8a52-4ad7-893a-9e7430584568" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_5d8a482d-cae0-4786-9969-02c8378502b4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_30a6ac2d-b010-453a-8d7f-db0f99df96bc" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_5d8a482d-cae0-4786-9969-02c8378502b4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_5d8a482d-cae0-4786-9969-02c8378502b4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_5d8a482d-cae0-4786-9969-02c8378502b4" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_5d8a482d-cae0-4786-9969-02c8378502b4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_7a749ada-64e4-481a-a68c-69611bd7f7cf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_5d8a482d-cae0-4786-9969-02c8378502b4" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_7a749ada-64e4-481a-a68c-69611bd7f7cf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_WarrantsMember_b1bfef76-2dcc-4db9-8a39-25995c0998a7" xlink:href="sym-20220924.xsd#sym_WarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_7a749ada-64e4-481a-a68c-69611bd7f7cf" xlink:to="loc_sym_WarrantsMember_b1bfef76-2dcc-4db9-8a39-25995c0998a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_May2022WarrantsMember_d0f72e27-c2ae-4d79-96c7-114e45be4331" xlink:href="sym-20220924.xsd#sym_May2022WarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_7a749ada-64e4-481a-a68c-69611bd7f7cf" xlink:to="loc_sym_May2022WarrantsMember_d0f72e27-c2ae-4d79-96c7-114e45be4331" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofWarrantActivityDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#StockBasedCompensationandWarrantUnitsSummaryofWarrantActivityDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/StockBasedCompensationandWarrantUnitsSummaryofWarrantActivityDetails" xlink:type="extended" id="i82ce0163b0ee46c8b7c94700fedc9d16_StockBasedCompensationandWarrantUnitsSummaryofWarrantActivityDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightLineItems_0ce314d8-140a-4efd-a3ab-75f5a606a517" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightRollForward_11edfa08-c3b2-40ec-9d67-2d524889f4f3" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_0ce314d8-140a-4efd-a3ab-75f5a606a517" xlink:to="loc_sym_ClassOfWarrantOrRightRollForward_11edfa08-c3b2-40ec-9d67-2d524889f4f3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_326ad869-df35-48f2-bd81-5a7b16d02774" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sym_ClassOfWarrantOrRightRollForward_11edfa08-c3b2-40ec-9d67-2d524889f4f3" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_326ad869-df35-48f2-bd81-5a7b16d02774" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightGrantsInPeriod_e4056ec1-3140-489d-beab-99ec9aee87e8" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sym_ClassOfWarrantOrRightRollForward_11edfa08-c3b2-40ec-9d67-2d524889f4f3" xlink:to="loc_sym_ClassOfWarrantOrRightGrantsInPeriod_e4056ec1-3140-489d-beab-99ec9aee87e8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_ClassOfWarrantOrRightVestedInPeriod_7780ea28-c634-464c-92ca-86030df7752d" xlink:href="sym-20220924.xsd#sym_ClassOfWarrantOrRightVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sym_ClassOfWarrantOrRightRollForward_11edfa08-c3b2-40ec-9d67-2d524889f4f3" xlink:to="loc_sym_ClassOfWarrantOrRightVestedInPeriod_7780ea28-c634-464c-92ca-86030df7752d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_9f860c0e-716b-40f7-9b7e-b4cd6a7685e6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightTable_203f203b-7953-4eb2-8788-69443fe05468" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_0ce314d8-140a-4efd-a3ab-75f5a606a517" xlink:to="loc_us-gaap_ClassOfWarrantOrRightTable_203f203b-7953-4eb2-8788-69443fe05468" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_2ed7b09d-a2f6-4755-8e40-c9b6c22c2444" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_203f203b-7953-4eb2-8788-69443fe05468" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_2ed7b09d-a2f6-4755-8e40-c9b6c22c2444" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_2ed7b09d-a2f6-4755-8e40-c9b6c22c2444_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_2ed7b09d-a2f6-4755-8e40-c9b6c22c2444" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_2ed7b09d-a2f6-4755-8e40-c9b6c22c2444_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_94b046b1-5bfb-4033-9b51-4573087a28fa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_2ed7b09d-a2f6-4755-8e40-c9b6c22c2444" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_94b046b1-5bfb-4033-9b51-4573087a28fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sym_WarrantsMember_24c7fe30-5296-479b-a603-ab2b0c56db4a" xlink:href="sym-20220924.xsd#sym_WarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_94b046b1-5bfb-4033-9b51-4573087a28fa" xlink:to="loc_sym_WarrantsMember_24c7fe30-5296-479b-a603-ab2b0c56db4a" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/SegmentandGeographicInformationRevenuebyGeographicalRegionDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#SegmentandGeographicInformationRevenuebyGeographicalRegionDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/SegmentandGeographicInformationRevenuebyGeographicalRegionDetails" xlink:type="extended" id="i497fd41539d54826b5f252d544078ebf_SegmentandGeographicInformationRevenuebyGeographicalRegionDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_3ea17eaf-7f7c-4cb6-b93c-cc2cce146d81" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_14cd8477-d429-4315-a5ae-1bc017b000d9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3ea17eaf-7f7c-4cb6-b93c-cc2cce146d81" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_14cd8477-d429-4315-a5ae-1bc017b000d9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_bb4509f8-6a81-496c-bf2b-b581358b6a0b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3ea17eaf-7f7c-4cb6-b93c-cc2cce146d81" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_bb4509f8-6a81-496c-bf2b-b581358b6a0b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_bc0af0e8-9aa3-4bd3-817f-e19850aa11db" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3ea17eaf-7f7c-4cb6-b93c-cc2cce146d81" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_bc0af0e8-9aa3-4bd3-817f-e19850aa11db" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_651f9067-d015-47c2-81f4-7f4544603807" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_bc0af0e8-9aa3-4bd3-817f-e19850aa11db" xlink:to="loc_srt_StatementGeographicalAxis_651f9067-d015-47c2-81f4-7f4544603807" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_651f9067-d015-47c2-81f4-7f4544603807_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_651f9067-d015-47c2-81f4-7f4544603807" xlink:to="loc_srt_SegmentGeographicalDomain_651f9067-d015-47c2-81f4-7f4544603807_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_48dc0783-516e-40e1-9085-e3319c666fac" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_651f9067-d015-47c2-81f4-7f4544603807" xlink:to="loc_srt_SegmentGeographicalDomain_48dc0783-516e-40e1-9085-e3319c666fac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_89779884-0ce3-4c60-949d-f194bcb1f10a" xlink:href="https://xbrl.sec.gov/country/2022/country-2022.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_48dc0783-516e-40e1-9085-e3319c666fac" xlink:to="loc_country_US_89779884-0ce3-4c60-949d-f194bcb1f10a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_CA_c32948b0-7736-4fa2-a316-ff88c26a5efe" xlink:href="https://xbrl.sec.gov/country/2022/country-2022.xsd#country_CA"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_48dc0783-516e-40e1-9085-e3319c666fac" xlink:to="loc_country_CA_c32948b0-7736-4fa2-a316-ff88c26a5efe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonUsMember_96eab29c-5271-4166-84e1-a0eef833cf85" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NonUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_48dc0783-516e-40e1-9085-e3319c666fac" xlink:to="loc_us-gaap_NonUsMember_96eab29c-5271-4166-84e1-a0eef833cf85" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_4b348625-28da-4f6f-b7fb-3ca061dd489c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_bc0af0e8-9aa3-4bd3-817f-e19850aa11db" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_4b348625-28da-4f6f-b7fb-3ca061dd489c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_4b348625-28da-4f6f-b7fb-3ca061dd489c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_4b348625-28da-4f6f-b7fb-3ca061dd489c" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_4b348625-28da-4f6f-b7fb-3ca061dd489c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b694b579-a2e8-4a96-8396-f6f3072e9a22" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_4b348625-28da-4f6f-b7fb-3ca061dd489c" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b694b579-a2e8-4a96-8396-f6f3072e9a22" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerMember_b27d5dc7-5ccb-4505-9c6e-ea2a095d2865" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b694b579-a2e8-4a96-8396-f6f3072e9a22" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerMember_b27d5dc7-5ccb-4505-9c6e-ea2a095d2865" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_f2ba5c0a-fa23-4b12-af9e-f2149827d526" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_bc0af0e8-9aa3-4bd3-817f-e19850aa11db" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_f2ba5c0a-fa23-4b12-af9e-f2149827d526" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_f2ba5c0a-fa23-4b12-af9e-f2149827d526_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_f2ba5c0a-fa23-4b12-af9e-f2149827d526" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_f2ba5c0a-fa23-4b12-af9e-f2149827d526_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_e798d820-18a7-46ec-b65c-73b11fe2e211" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_f2ba5c0a-fa23-4b12-af9e-f2149827d526" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_e798d820-18a7-46ec-b65c-73b11fe2e211" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicConcentrationRiskMember_f4fe9c92-fc5a-41c7-b598-51498e779791" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GeographicConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_e798d820-18a7-46ec-b65c-73b11fe2e211" xlink:to="loc_us-gaap_GeographicConcentrationRiskMember_f4fe9c92-fc5a-41c7-b598-51498e779791" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.symbotic.com/role/SegmentandGeographicInformationPropertyandEquipmentbyGeographicRegionDetails" xlink:type="simple" xlink:href="sym-20220924.xsd#SegmentandGeographicInformationPropertyandEquipmentbyGeographicRegionDetails"/>
  <link:definitionLink xlink:role="http://www.symbotic.com/role/SegmentandGeographicInformationPropertyandEquipmentbyGeographicRegionDetails" xlink:type="extended" id="i6a2bd61343934112afc267f8dcc4a343_SegmentandGeographicInformationPropertyandEquipmentbyGeographicRegionDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_3616b45f-ac1c-4bae-a3fb-0f2fa3638855" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_e08dc384-0d07-4747-b63c-6dbfcd7860a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3616b45f-ac1c-4bae-a3fb-0f2fa3638855" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_e08dc384-0d07-4747-b63c-6dbfcd7860a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_199598b5-2e0c-4e85-bbd3-e1624271c48e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3616b45f-ac1c-4bae-a3fb-0f2fa3638855" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_199598b5-2e0c-4e85-bbd3-e1624271c48e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b3d5054e-8df6-48f1-82ff-7f0aab2e5bd3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3616b45f-ac1c-4bae-a3fb-0f2fa3638855" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b3d5054e-8df6-48f1-82ff-7f0aab2e5bd3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_7dcba9e5-bf27-444b-b10a-c039c9544c4f" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b3d5054e-8df6-48f1-82ff-7f0aab2e5bd3" xlink:to="loc_srt_StatementGeographicalAxis_7dcba9e5-bf27-444b-b10a-c039c9544c4f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_7dcba9e5-bf27-444b-b10a-c039c9544c4f_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_7dcba9e5-bf27-444b-b10a-c039c9544c4f" xlink:to="loc_srt_SegmentGeographicalDomain_7dcba9e5-bf27-444b-b10a-c039c9544c4f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_000c54e7-66ca-42da-ad6d-1e4cb601323d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_7dcba9e5-bf27-444b-b10a-c039c9544c4f" xlink:to="loc_srt_SegmentGeographicalDomain_000c54e7-66ca-42da-ad6d-1e4cb601323d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_0b38a42c-1958-4b5a-8820-16af14570d48" xlink:href="https://xbrl.sec.gov/country/2022/country-2022.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_000c54e7-66ca-42da-ad6d-1e4cb601323d" xlink:to="loc_country_US_0b38a42c-1958-4b5a-8820-16af14570d48" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_CA_ae026b13-042f-4ca6-a022-a26b1a8b1cad" xlink:href="https://xbrl.sec.gov/country/2022/country-2022.xsd#country_CA"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_000c54e7-66ca-42da-ad6d-1e4cb601323d" xlink:to="loc_country_CA_ae026b13-042f-4ca6-a022-a26b1a8b1cad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonUsMember_d14a2f80-ae94-4d18-acd9-c6181d259d34" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NonUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_000c54e7-66ca-42da-ad6d-1e4cb601323d" xlink:to="loc_us-gaap_NonUsMember_d14a2f80-ae94-4d18-acd9-c6181d259d34" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_5fb36535-4479-48be-8075-31a6a94788f6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b3d5054e-8df6-48f1-82ff-7f0aab2e5bd3" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_5fb36535-4479-48be-8075-31a6a94788f6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_5fb36535-4479-48be-8075-31a6a94788f6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_5fb36535-4479-48be-8075-31a6a94788f6" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_5fb36535-4479-48be-8075-31a6a94788f6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b1d3d5fe-61c9-440b-bb2f-114214f6c1c2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_5fb36535-4479-48be-8075-31a6a94788f6" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b1d3d5fe-61c9-440b-bb2f-114214f6c1c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentMember_78a0686f-af33-4001-bb4d-3a9f8521754e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_b1d3d5fe-61c9-440b-bb2f-114214f6c1c2" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentMember_78a0686f-af33-4001-bb4d-3a9f8521754e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_f9da0638-c768-4da6-8970-2905666cad44" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b3d5054e-8df6-48f1-82ff-7f0aab2e5bd3" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_f9da0638-c768-4da6-8970-2905666cad44" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_f9da0638-c768-4da6-8970-2905666cad44_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_f9da0638-c768-4da6-8970-2905666cad44" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_f9da0638-c768-4da6-8970-2905666cad44_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_0d2d8218-52e8-4734-9a64-3bfddfa1f106" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_f9da0638-c768-4da6-8970-2905666cad44" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_0d2d8218-52e8-4734-9a64-3bfddfa1f106" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicConcentrationRiskMember_657e9caf-5007-4a21-8266-e8f21d36217c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GeographicConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_0d2d8218-52e8-4734-9a64-3bfddfa1f106" xlink:to="loc_us-gaap_GeographicConcentrationRiskMember_657e9caf-5007-4a21-8266-e8f21d36217c" xlink:type="arc" order="0"/>
  </link:definitionLink>
</link:linkbase>
