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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019ef55e-363e-7e54-8753-8c179b49749d,g:978f27b0-55f5-4213-a2fe-a474e575ed6c-->
<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.resideo.com/role/CONDENSEDCOMBINEDBALANCESHEETSUNAUDITED" xlink:type="simple" xlink:href="adig-20260704.xsd#CONDENSEDCOMBINEDBALANCESHEETSUNAUDITED"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/CONDENSEDCOMBINEDBALANCESHEETSUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fadb3-9e27-7d0e-adbd-e5d4313c903f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fadb3-9e27-7e77-b7ab-ab03b4aafa6d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fadb3-9e27-7d0e-adbd-e5d4313c903f" xlink:to="loc_us-gaap_StatementTable_019fadb3-9e27-7e77-b7ab-ab03b4aafa6d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fadb3-9e27-7afa-bbee-690db4005165" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fadb3-9e27-7e77-b7ab-ab03b4aafa6d" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fadb3-9e27-7afa-bbee-690db4005165" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fadb3-9e27-7afa-bbee-690db4005165_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fadb3-9e27-7afa-bbee-690db4005165" xlink:to="loc_us-gaap_RelatedPartyDomain_019fadb3-9e27-7afa-bbee-690db4005165_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fadb3-9e27-7e73-9dfc-526778c50109" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fadb3-9e27-7afa-bbee-690db4005165" xlink:to="loc_us-gaap_RelatedPartyDomain_019fadb3-9e27-7e73-9dfc-526778c50109" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_019fadb4-18a6-718a-8296-e621cccd6080" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_019fadb3-9e27-7e73-9dfc-526778c50109" xlink:to="loc_us-gaap_RelatedPartyMember_019fadb4-18a6-718a-8296-e621cccd6080" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonrelatedPartyMember_019fadb4-3ead-7603-ab47-e06edc2b9411" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonrelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_019fadb3-9e27-7e73-9dfc-526778c50109" xlink:to="loc_us-gaap_NonrelatedPartyMember_019fadb4-3ead-7603-ab47-e06edc2b9411" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_019efa00-c135-799b-b0cf-9de7a96b500c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fadb3-9e27-7d0e-adbd-e5d4313c903f" xlink:to="loc_us-gaap_AssetsAbstract_019efa00-c135-799b-b0cf-9de7a96b500c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_019efa03-47ee-7e84-9b70-5c1878fe8d9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019efa00-c135-799b-b0cf-9de7a96b500c" xlink:to="loc_us-gaap_AssetsCurrentAbstract_019efa03-47ee-7e84-9b70-5c1878fe8d9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019efa30-da1e-7cd4-a55c-de2f81924299" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019efa03-47ee-7e84-9b70-5c1878fe8d9e" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019efa30-da1e-7cd4-a55c-de2f81924299" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_019f804d-3b08-7e24-87c7-beff5407cd52" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019efa03-47ee-7e84-9b70-5c1878fe8d9e" xlink:to="loc_us-gaap_RestrictedCash_019f804d-3b08-7e24-87c7-beff5407cd52" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019efa32-b805-7819-a4e0-e964f7fe57cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019efa03-47ee-7e84-9b70-5c1878fe8d9e" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019efa32-b805-7819-a4e0-e964f7fe57cc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019efa34-38c2-78cf-bf12-ac97f1ef53af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019efa03-47ee-7e84-9b70-5c1878fe8d9e" xlink:to="loc_us-gaap_InventoryNet_019efa34-38c2-78cf-bf12-ac97f1ef53af" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_019fb917-0c3d-7564-ba0f-39184492fe64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherReceivablesNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019efa03-47ee-7e84-9b70-5c1878fe8d9e" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_019fb917-0c3d-7564-ba0f-39184492fe64" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivableAfterAllowanceForCreditLossCurrentRelatedPartyTypeExtensibleEnumeration_019efa39-fde9-78e4-8317-7702cbf9ba9a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherReceivableAfterAllowanceForCreditLossCurrentRelatedPartyTypeExtensibleEnumeration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherReceivablesNetCurrent_019fb917-0c3d-7564-ba0f-39184492fe64" xlink:to="loc_us-gaap_OtherReceivableAfterAllowanceForCreditLossCurrentRelatedPartyTypeExtensibleEnumeration_019efa39-fde9-78e4-8317-7702cbf9ba9a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019efa34-5b86-7f81-a84f-296d0166f571" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019efa03-47ee-7e84-9b70-5c1878fe8d9e" xlink:to="loc_us-gaap_OtherAssetsCurrent_019efa34-5b86-7f81-a84f-296d0166f571" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019efa34-77cd-700b-848c-8960f31be29a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019efa03-47ee-7e84-9b70-5c1878fe8d9e" xlink:to="loc_us-gaap_AssetsCurrent_019efa34-77cd-700b-848c-8960f31be29a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019efa35-5bfc-73b0-993f-a6aa155181e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019efa00-c135-799b-b0cf-9de7a96b500c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019efa35-5bfc-73b0-993f-a6aa155181e8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019efa35-7aa9-7dc0-9b2f-c5c103c8a9ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019efa00-c135-799b-b0cf-9de7a96b500c" xlink:to="loc_us-gaap_Goodwill_019efa35-7aa9-7dc0-9b2f-c5c103c8a9ea" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019efa36-842e-755a-89f4-ce07ae110114" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019efa00-c135-799b-b0cf-9de7a96b500c" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019efa36-842e-755a-89f4-ce07ae110114" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_019efa36-c985-7b47-90f3-43e84fedafa4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019efa00-c135-799b-b0cf-9de7a96b500c" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_019efa36-c985-7b47-90f3-43e84fedafa4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivableAfterAllowanceForCreditLossNoncurrent_019efa39-35e3-7e62-af02-11b00caa0a82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherReceivableAfterAllowanceForCreditLossNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019efa00-c135-799b-b0cf-9de7a96b500c" xlink:to="loc_us-gaap_OtherReceivableAfterAllowanceForCreditLossNoncurrent_019efa39-35e3-7e62-af02-11b00caa0a82" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivableAfterAllowanceForCreditLossNoncurrentRelatedPartyTypeExtensibleEnumeration_019fb918-6adf-75f8-9a17-c26f579c352d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherReceivableAfterAllowanceForCreditLossNoncurrentRelatedPartyTypeExtensibleEnumeration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherReceivableAfterAllowanceForCreditLossNoncurrent_019efa39-35e3-7e62-af02-11b00caa0a82" xlink:to="loc_us-gaap_OtherReceivableAfterAllowanceForCreditLossNoncurrentRelatedPartyTypeExtensibleEnumeration_019fb918-6adf-75f8-9a17-c26f579c352d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019efa37-0854-7fa2-a6e8-5b51755feefe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019efa00-c135-799b-b0cf-9de7a96b500c" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019efa37-0854-7fa2-a6e8-5b51755feefe" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019efa38-468a-70a0-9a74-3d49cb08523c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019efa00-c135-799b-b0cf-9de7a96b500c" xlink:to="loc_us-gaap_Assets_019efa38-468a-70a0-9a74-3d49cb08523c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019efa3c-b171-7a74-b36e-bbccc464b768" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fadb3-9e27-7d0e-adbd-e5d4313c903f" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019efa3c-b171-7a74-b36e-bbccc464b768" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_019efa3c-ed62-7622-ad89-d6b0a2be619a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019efa3c-b171-7a74-b36e-bbccc464b768" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_019efa3c-ed62-7622-ad89-d6b0a2be619a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_019efa3d-1b0a-7ec0-a8e4-438046d62b5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019efa3c-ed62-7622-ad89-d6b0a2be619a" xlink:to="loc_us-gaap_AccountsPayableCurrent_019efa3d-1b0a-7ec0-a8e4-438046d62b5b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_019efa3d-56ec-7c60-a3c3-7dbc5294591f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019efa3c-ed62-7622-ad89-d6b0a2be619a" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_019efa3d-56ec-7c60-a3c3-7dbc5294591f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019efa3d-8bf2-7b56-9857-068ccf63c6df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019efa3c-ed62-7622-ad89-d6b0a2be619a" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019efa3d-8bf2-7b56-9857-068ccf63c6df" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_019efa3d-c444-7076-89b7-5f8a6bade821" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019efa3c-ed62-7622-ad89-d6b0a2be619a" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_019efa3d-c444-7076-89b7-5f8a6bade821" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilityCurrentRelatedPartyTypeExtensibleEnumeration_019efa3e-0a81-73c5-bca2-a1a9376483d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilityCurrentRelatedPartyTypeExtensibleEnumeration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_019efa3d-c444-7076-89b7-5f8a6bade821" xlink:to="loc_us-gaap_OtherLiabilityCurrentRelatedPartyTypeExtensibleEnumeration_019efa3e-0a81-73c5-bca2-a1a9376483d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019efa3d-e7a3-793d-b860-fd4c7fc15af7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019efa3c-ed62-7622-ad89-d6b0a2be619a" xlink:to="loc_us-gaap_LiabilitiesCurrent_019efa3d-e7a3-793d-b860-fd4c7fc15af7" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019efa3e-61fe-7145-a58e-d933dd32766f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019efa3c-b171-7a74-b36e-bbccc464b768" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019efa3e-61fe-7145-a58e-d933dd32766f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019efa3e-91b6-79c9-a2be-4828c44c49a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019efa3c-b171-7a74-b36e-bbccc464b768" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019efa3e-91b6-79c9-a2be-4828c44c49a3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019efa3e-f09a-7bef-ade2-188c08c16477" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019efa3c-b171-7a74-b36e-bbccc464b768" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019efa3e-f09a-7bef-ade2-188c08c16477" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019efa3f-2ba6-75b4-9ad0-bc03c632c4f4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019efa3c-b171-7a74-b36e-bbccc464b768" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019efa3f-2ba6-75b4-9ad0-bc03c632c4f4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019efa3f-48e1-7774-8328-22c6671f96ee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019efa3c-b171-7a74-b36e-bbccc464b768" xlink:to="loc_us-gaap_Liabilities_019efa3f-48e1-7774-8328-22c6671f96ee" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019efa3f-c15c-7d7d-bc99-3ae67de10222" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019efa3c-b171-7a74-b36e-bbccc464b768" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019efa3f-c15c-7d7d-bc99-3ae67de10222" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityAbstract_019efa40-06ee-7109-8946-d79293b9b2dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019efa3c-b171-7a74-b36e-bbccc464b768" xlink:to="loc_us-gaap_EquityAbstract_019efa40-06ee-7109-8946-d79293b9b2dd" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ParentCompanyInvestmentAmountNet_019efa44-5d26-7144-93c2-20562f9ad4aa" xlink:href="adig-20260704.xsd#adig_ParentCompanyInvestmentAmountNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityAbstract_019efa40-06ee-7109-8946-d79293b9b2dd" xlink:to="loc_adig_ParentCompanyInvestmentAmountNet_019efa44-5d26-7144-93c2-20562f9ad4aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019efa41-3377-718c-a068-fcb4ab596fa8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityAbstract_019efa40-06ee-7109-8946-d79293b9b2dd" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019efa41-3377-718c-a068-fcb4ab596fa8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019efa41-6950-7000-9302-ca3a9a317fec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityAbstract_019efa40-06ee-7109-8946-d79293b9b2dd" xlink:to="loc_us-gaap_StockholdersEquity_019efa41-6950-7000-9302-ca3a9a317fec" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019efa41-8f69-7860-8f7b-2f73af360924" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019efa3c-b171-7a74-b36e-bbccc464b768" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_019efa41-8f69-7860-8f7b-2f73af360924" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/CONDENSEDCOMBINEDSTATEMENTSOFCHANGESINEQUITYUNAUDITED" xlink:type="simple" xlink:href="adig-20260704.xsd#CONDENSEDCOMBINEDSTATEMENTSOFCHANGESINEQUITYUNAUDITED"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/CONDENSEDCOMBINEDSTATEMENTSOFCHANGESINEQUITYUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019efa97-7c80-7e8a-b206-1b928cd652e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019efa97-7c80-7bac-9c13-5d3071bd53d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019efa97-7c80-7e8a-b206-1b928cd652e9" xlink:to="loc_us-gaap_StatementTable_019efa97-7c80-7bac-9c13-5d3071bd53d1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019efa99-3f03-73aa-9c57-8963a49f5a90" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019efa97-7c80-7bac-9c13-5d3071bd53d1" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019efa99-3f03-73aa-9c57-8963a49f5a90" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019efa99-3f03-73aa-9c57-8963a49f5a90_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019efa99-3f03-73aa-9c57-8963a49f5a90" xlink:to="loc_us-gaap_EquityComponentDomain_019efa99-3f03-73aa-9c57-8963a49f5a90_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019efa99-3f03-7f56-870b-14af627d3f07" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019efa99-3f03-73aa-9c57-8963a49f5a90" xlink:to="loc_us-gaap_EquityComponentDomain_019efa99-3f03-7f56-870b-14af627d3f07" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_NetParentCompanyInvestmentMember_019efa99-daa9-7b89-9c64-20c7c97451f9" xlink:href="adig-20260704.xsd#adig_NetParentCompanyInvestmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019efa99-3f03-7f56-870b-14af627d3f07" xlink:to="loc_adig_NetParentCompanyInvestmentMember_019efa99-daa9-7b89-9c64-20c7c97451f9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019efa99-abe1-7cae-a246-b72e74cb8054" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019efa99-3f03-7f56-870b-14af627d3f07" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019efa99-abe1-7cae-a246-b72e74cb8054" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019efa9a-d0a2-705b-be18-fa09e4ab5b2e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019efa97-7c80-7e8a-b206-1b928cd652e9" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019efa9a-d0a2-705b-be18-fa09e4ab5b2e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019efa97-7c80-746f-88bd-a9c1ca515f03" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019efa9a-d0a2-705b-be18-fa09e4ab5b2e" xlink:to="loc_us-gaap_StockholdersEquity_019efa97-7c80-746f-88bd-a9c1ca515f03" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019efa98-89ab-76ef-83e6-ec89c7269387" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019efa9a-d0a2-705b-be18-fa09e4ab5b2e" xlink:to="loc_us-gaap_NetIncomeLoss_019efa98-89ab-76ef-83e6-ec89c7269387" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019efa9c-1baa-7541-b17f-1153b521c5bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019efa9a-d0a2-705b-be18-fa09e4ab5b2e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019efa9c-1baa-7541-b17f-1153b521c5bc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_019efa9c-fc1f-7aa5-a301-452bad707126" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019efa9a-d0a2-705b-be18-fa09e4ab5b2e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_019efa9c-fc1f-7aa5-a301-452bad707126" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_NetTransfersFromParentCompany_019fdd91-edf6-7e21-a8f0-bb4c01688b4b" xlink:href="adig-20260704.xsd#adig_NetTransfersFromParentCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019efa9a-d0a2-705b-be18-fa09e4ab5b2e" xlink:to="loc_adig_NetTransfersFromParentCompany_019fdd91-edf6-7e21-a8f0-bb4c01688b4b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019efa97-c24f-7067-90f8-6dec87b9e519" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/DescriptionoftheBusinessandBasisofPresentationDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#DescriptionoftheBusinessandBasisofPresentationDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/DescriptionoftheBusinessandBasisofPresentationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_adig_DescriptionOfBusinessLineItems_019f808a-ea32-7978-924e-c99722507088" xlink:href="adig-20260704.xsd#adig_DescriptionOfBusinessLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_DescriptionOfBusinessTable_019f808a-ea32-7337-9267-d0d3f1619469" xlink:href="adig-20260704.xsd#adig_DescriptionOfBusinessTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_adig_DescriptionOfBusinessLineItems_019f808a-ea32-7978-924e-c99722507088" xlink:to="loc_adig_DescriptionOfBusinessTable_019f808a-ea32-7337-9267-d0d3f1619469" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_019f808a-ea32-74fe-8092-50083213dc65" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_adig_DescriptionOfBusinessTable_019f808a-ea32-7337-9267-d0d3f1619469" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_019f808a-ea32-74fe-8092-50083213dc65" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_019f808a-ea32-74fe-8092-50083213dc65_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_019f808a-ea32-74fe-8092-50083213dc65" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_019f808a-ea32-74fe-8092-50083213dc65_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_019f808a-ea32-72fe-a35c-4e5605c426b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_019f808a-ea32-74fe-8092-50083213dc65" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_019f808a-ea32-72fe-a35c-4e5605c426b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_019f808a-ea32-7f72-8f53-e1b303c3d31c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_019f808a-ea32-72fe-a35c-4e5605c426b5" xlink:to="loc_us-gaap_SubsequentEventMember_019f808a-ea32-7f72-8f53-e1b303c3d31c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019f808a-ea32-78f0-9fec-3443287b8edd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_adig_DescriptionOfBusinessTable_019f808a-ea32-7337-9267-d0d3f1619469" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019f808a-ea32-78f0-9fec-3443287b8edd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019f808a-ea32-78f0-9fec-3443287b8edd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019f808a-ea32-78f0-9fec-3443287b8edd" xlink:to="loc_us-gaap_ClassOfStockDomain_019f808a-ea32-78f0-9fec-3443287b8edd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019f808a-ea32-779c-b79c-66219ccf887b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019f808a-ea32-78f0-9fec-3443287b8edd" xlink:to="loc_us-gaap_ClassOfStockDomain_019f808a-ea32-779c-b79c-66219ccf887b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ADICommonStockMember_019f808a-ea32-7bc1-8cef-b73e2f083df6" xlink:href="adig-20260704.xsd#adig_ADICommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019f808a-ea32-779c-b79c-66219ccf887b" xlink:to="loc_adig_ADICommonStockMember_019f808a-ea32-7bc1-8cef-b73e2f083df6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ResidioCommonStockMember_019f808a-ea32-7769-af0e-5f940c0584c2" xlink:href="adig-20260704.xsd#adig_ResidioCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019f808a-ea32-779c-b79c-66219ccf887b" xlink:to="loc_adig_ResidioCommonStockMember_019f808a-ea32-7769-af0e-5f940c0584c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_019fc8cc-bc7b-7dc6-822f-fc95e4d8ed06" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_adig_DescriptionOfBusinessTable_019f808a-ea32-7337-9267-d0d3f1619469" xlink:to="loc_srt_OwnershipAxis_019fc8cc-bc7b-7dc6-822f-fc95e4d8ed06" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_019fc8cc-bc7b-7dc6-822f-fc95e4d8ed06_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_019fc8cc-bc7b-7dc6-822f-fc95e4d8ed06" xlink:to="loc_srt_OwnershipDomain_019fc8cc-bc7b-7dc6-822f-fc95e4d8ed06_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_019fc8cc-bc7b-772a-b582-b95db0a45f60" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_019fc8cc-bc7b-7dc6-822f-fc95e4d8ed06" xlink:to="loc_srt_OwnershipDomain_019fc8cc-bc7b-772a-b582-b95db0a45f60" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ADIMember_019fc8d9-259c-763b-b043-a2b79eb93fcb" xlink:href="adig-20260704.xsd#adig_ADIMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_019fc8cc-bc7b-772a-b582-b95db0a45f60" xlink:to="loc_adig_ADIMember_019fc8d9-259c-763b-b043-a2b79eb93fcb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fc8cd-b88b-72b3-8f7d-4eb019015f8d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_adig_DescriptionOfBusinessTable_019f808a-ea32-7337-9267-d0d3f1619469" xlink:to="loc_dei_LegalEntityAxis_019fc8cd-b88b-72b3-8f7d-4eb019015f8d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fc8cd-b88b-72b3-8f7d-4eb019015f8d_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fc8cd-b88b-72b3-8f7d-4eb019015f8d" xlink:to="loc_dei_EntityDomain_019fc8cd-b88b-72b3-8f7d-4eb019015f8d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fc8cd-b88b-7b6f-a4db-ca4a45855213" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fc8cd-b88b-72b3-8f7d-4eb019015f8d" xlink:to="loc_dei_EntityDomain_019fc8cd-b88b-7b6f-a4db-ca4a45855213" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_CDRMember_019fc8d9-5007-7eb5-a630-4b559461324d" xlink:href="adig-20260704.xsd#adig_CDRMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fc8cd-b88b-7b6f-a4db-ca4a45855213" xlink:to="loc_adig_CDRMember_019fc8d9-5007-7eb5-a630-4b559461324d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_019efa74-d163-7fdf-9962-add15aad643e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adig_DescriptionOfBusinessLineItems_019f808a-ea32-7978-924e-c99722507088" xlink:to="loc_us-gaap_NumberOfReportableSegments_019efa74-d163-7fdf-9962-add15aad643e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_019fdc1c-fa3b-73a7-8a62-f8c3f7ec91c6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adig_DescriptionOfBusinessLineItems_019f808a-ea32-7978-924e-c99722507088" xlink:to="loc_us-gaap_NumberOfOperatingSegments_019fdc1c-fa3b-73a7-8a62-f8c3f7ec91c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SpinoffTransactionProRataDistributionPercentage_019f8087-dbbc-71ea-86a0-e5880b7438ef" xlink:href="adig-20260704.xsd#adig_SpinoffTransactionProRataDistributionPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adig_DescriptionOfBusinessLineItems_019f808a-ea32-7978-924e-c99722507088" xlink:to="loc_adig_SpinoffTransactionProRataDistributionPercentage_019f8087-dbbc-71ea-86a0-e5880b7438ef" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SpinoffTransactionSharesReceivedThroughProRataDistribution_019f808c-b7b4-7352-8f80-75374f9b6ac8" xlink:href="adig-20260704.xsd#adig_SpinoffTransactionSharesReceivedThroughProRataDistribution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adig_DescriptionOfBusinessLineItems_019f808a-ea32-7978-924e-c99722507088" xlink:to="loc_adig_SpinoffTransactionSharesReceivedThroughProRataDistribution_019f808c-b7b4-7352-8f80-75374f9b6ac8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SpinoffTransactionPreviouslyHeldSharesUsedInProRataDistributionCalculation_019f808d-6799-7fa7-af1f-c19c83841e40" xlink:href="adig-20260704.xsd#adig_SpinoffTransactionPreviouslyHeldSharesUsedInProRataDistributionCalculation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adig_DescriptionOfBusinessLineItems_019f808a-ea32-7978-924e-c99722507088" xlink:to="loc_adig_SpinoffTransactionPreviouslyHeldSharesUsedInProRataDistributionCalculation_019f808d-6799-7fa7-af1f-c19c83841e40" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SpinoffTransactionOwnershipPercentage_019fc8cc-8047-79d5-b584-65ea37130b9f" xlink:href="adig-20260704.xsd#adig_SpinoffTransactionOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adig_DescriptionOfBusinessLineItems_019f808a-ea32-7978-924e-c99722507088" xlink:to="loc_adig_SpinoffTransactionOwnershipPercentage_019fc8cc-8047-79d5-b584-65ea37130b9f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SpinoffTransactionMaximumNumberOfDirectorsAllowedToDesignate_019fc8cf-1491-7f80-9cf4-fc508629aa45" xlink:href="adig-20260704.xsd#adig_SpinoffTransactionMaximumNumberOfDirectorsAllowedToDesignate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adig_DescriptionOfBusinessLineItems_019f808a-ea32-7978-924e-c99722507088" xlink:to="loc_adig_SpinoffTransactionMaximumNumberOfDirectorsAllowedToDesignate_019fc8cf-1491-7f80-9cf4-fc508629aa45" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/RevenueRecognitionRevenuebyGeographicLocationDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#RevenueRecognitionRevenuebyGeographicLocationDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/RevenueRecognitionRevenuebyGeographicLocationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019efa87-a2bf-7f51-8ca8-778c64d81e34" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019efa87-a2bf-7eca-968d-297c3867025b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019efa87-a2bf-7f51-8ca8-778c64d81e34" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019efa87-a2bf-7eca-968d-297c3867025b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019efa87-a2bf-77cf-a472-fa42027722fc" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019efa87-a2bf-7eca-968d-297c3867025b" xlink:to="loc_srt_StatementGeographicalAxis_019efa87-a2bf-77cf-a472-fa42027722fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019efa87-a2bf-77cf-a472-fa42027722fc_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019efa87-a2bf-77cf-a472-fa42027722fc" xlink:to="loc_srt_SegmentGeographicalDomain_019efa87-a2bf-77cf-a472-fa42027722fc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019efa87-a2bf-798e-ba3a-1c1e66f70204" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019efa87-a2bf-77cf-a472-fa42027722fc" xlink:to="loc_srt_SegmentGeographicalDomain_019efa87-a2bf-798e-ba3a-1c1e66f70204" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AmericasMember_019efa88-c01e-7b2d-9c6d-3466a8356107" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_AmericasMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019efa87-a2bf-798e-ba3a-1c1e66f70204" xlink:to="loc_srt_AmericasMember_019efa88-c01e-7b2d-9c6d-3466a8356107" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonUsMember_019efa8a-f444-72ac-a680-e48cc7c06c66" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019efa87-a2bf-798e-ba3a-1c1e66f70204" xlink:to="loc_us-gaap_NonUsMember_019efa8a-f444-72ac-a680-e48cc7c06c66" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019efa87-a2bf-7a91-b754-097264cac3cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019efa87-a2bf-7f51-8ca8-778c64d81e34" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019efa87-a2bf-7a91-b754-097264cac3cf" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/RevenueRecognitionRevenuesbyProductTypeDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#RevenueRecognitionRevenuesbyProductTypeDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/RevenueRecognitionRevenuesbyProductTypeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019efa8a-1192-7788-94d7-de37963af337" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019efa8a-1192-7638-91d4-a84970f2521e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019efa8a-1192-7788-94d7-de37963af337" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019efa8a-1192-7638-91d4-a84970f2521e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019efa8a-1192-7dff-bce7-91d0f952cc1f" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019efa8a-1192-7638-91d4-a84970f2521e" xlink:to="loc_srt_ProductOrServiceAxis_019efa8a-1192-7dff-bce7-91d0f952cc1f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019efa8a-1192-7dff-bce7-91d0f952cc1f_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019efa8a-1192-7dff-bce7-91d0f952cc1f" xlink:to="loc_srt_ProductsAndServicesDomain_019efa8a-1192-7dff-bce7-91d0f952cc1f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019efa8a-1192-7962-b049-75f127bb1bf3" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019efa8a-1192-7dff-bce7-91d0f952cc1f" xlink:to="loc_srt_ProductsAndServicesDomain_019efa8a-1192-7962-b049-75f127bb1bf3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ThirdPartyBrandsMember_019efa8a-777e-78a9-94e4-2f16ef2ed92a" xlink:href="adig-20260704.xsd#adig_ThirdPartyBrandsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019efa8a-1192-7962-b049-75f127bb1bf3" xlink:to="loc_adig_ThirdPartyBrandsMember_019efa8a-777e-78a9-94e4-2f16ef2ed92a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ExclusiveBrandsMember_019efa8a-9f3f-79d4-bcab-5b8d615c80c6" xlink:href="adig-20260704.xsd#adig_ExclusiveBrandsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019efa8a-1192-7962-b049-75f127bb1bf3" xlink:to="loc_adig_ExclusiveBrandsMember_019efa8a-9f3f-79d4-bcab-5b8d615c80c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019efa8a-1192-7ca7-b0a5-1a189c962059" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019efa8a-1192-7788-94d7-de37963af337" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019efa8a-1192-7ca7-b0a5-1a189c962059" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/GoodwillandOtherIntangibleAssetsnetIntangibleAssetsDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#GoodwillandOtherIntangibleAssetsnetIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/GoodwillandOtherIntangibleAssetsnetIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019efa95-a45d-7472-9336-5eaa09f52d06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019efa95-a45d-70d4-ba89-a7b97ebacb7b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019efa95-a45d-7472-9336-5eaa09f52d06" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019efa95-a45d-70d4-ba89-a7b97ebacb7b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019efa95-a45d-7d2a-a900-52b4d1069a40" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019efa95-a45d-70d4-ba89-a7b97ebacb7b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019efa95-a45d-7d2a-a900-52b4d1069a40" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019efa95-a45d-7d2a-a900-52b4d1069a40_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019efa95-a45d-7d2a-a900-52b4d1069a40" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019efa95-a45d-7d2a-a900-52b4d1069a40_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019efa95-a45d-775a-bb6f-286550a02520" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019efa95-a45d-7d2a-a900-52b4d1069a40" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019efa95-a45d-775a-bb6f-286550a02520" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_019efa96-5870-7230-8699-ac21a4feecf3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019efa95-a45d-775a-bb6f-286550a02520" xlink:to="loc_us-gaap_CustomerRelationshipsMember_019efa96-5870-7230-8699-ac21a4feecf3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PatentedTechnologyMember_019f42f5-cd84-749c-b0f3-327aa56bd3ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PatentedTechnologyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019efa95-a45d-775a-bb6f-286550a02520" xlink:to="loc_us-gaap_PatentedTechnologyMember_019f42f5-cd84-749c-b0f3-327aa56bd3ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_019efa97-bbfb-76c0-b6ae-7a1c3ec20bfc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019efa95-a45d-775a-bb6f-286550a02520" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_019efa97-bbfb-76c0-b6ae-7a1c3ec20bfc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_019f42f5-24f1-734e-962e-b0a686c002f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TrademarksMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019efa95-a45d-775a-bb6f-286550a02520" xlink:to="loc_us-gaap_TrademarksMember_019f42f5-24f1-734e-962e-b0a686c002f6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019efa95-a45d-7aad-88d0-eea2fb5b91af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019efa95-a45d-7472-9336-5eaa09f52d06" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019efa95-a45d-7aad-88d0-eea2fb5b91af" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019efa95-dc1b-79a6-ab95-5a752ef3b122" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019efa95-a45d-7472-9336-5eaa09f52d06" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019efa95-dc1b-79a6-ab95-5a752ef3b122" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019efa95-fa38-769f-8806-7654f6372403" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019efa95-a45d-7472-9336-5eaa09f52d06" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019efa95-fa38-769f-8806-7654f6372403" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/LongTermDebtNarrativeDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#LongTermDebtNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/LongTermDebtNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019efac3-863b-71e5-bc9d-ad7c9b7d1c8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_DebtInstrumentTable_019efac3-863b-71e5-bc9d-ad7c9b7d1c8a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019f4308-686d-7ef7-b3b7-7154f4bd3380" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019efac3-863b-71e5-bc9d-ad7c9b7d1c8a" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019f4308-686d-7ef7-b3b7-7154f4bd3380" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f4308-686d-7ef7-b3b7-7154f4bd3380_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f4308-686d-7ef7-b3b7-7154f4bd3380" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f4308-686d-7ef7-b3b7-7154f4bd3380_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f4308-686d-7330-b3bb-be26dd2d24da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f4308-686d-7ef7-b3b7-7154f4bd3380" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f4308-686d-7330-b3bb-be26dd2d24da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019f430f-9002-763f-b6be-981e595fa936" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019f4308-686d-7330-b3bb-be26dd2d24da" xlink:to="loc_us-gaap_SeniorNotesMember_019f430f-9002-763f-b6be-981e595fa936" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019f4308-881d-7dc0-8a6d-85e16e2070f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019f4308-686d-7330-b3bb-be26dd2d24da" xlink:to="loc_us-gaap_LineOfCreditMember_019f4308-881d-7dc0-8a6d-85e16e2070f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019efac4-a94f-70e3-bb99-e6d6f3bca5d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019efac3-863b-71e5-bc9d-ad7c9b7d1c8a" xlink:to="loc_us-gaap_DebtInstrumentAxis_019efac4-a94f-70e3-bb99-e6d6f3bca5d4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019efac4-a94f-70e3-bb99-e6d6f3bca5d4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019efac4-a94f-70e3-bb99-e6d6f3bca5d4" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019efac4-a94f-70e3-bb99-e6d6f3bca5d4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019efac4-a94f-767f-b394-c0e097ba0670" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019efac4-a94f-70e3-bb99-e6d6f3bca5d4" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019efac4-a94f-767f-b394-c0e097ba0670" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SeniorNotesDue2034Member_019f8060-bb4d-71f4-b87a-5f08e366264f" xlink:href="adig-20260704.xsd#adig_SeniorNotesDue2034Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019efac4-a94f-767f-b394-c0e097ba0670" xlink:to="loc_adig_SeniorNotesDue2034Member_019f8060-bb4d-71f4-b87a-5f08e366264f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SeniorSecuredCreditAgreementMember_019f8076-56be-768e-a471-3abc3aa20042" xlink:href="adig-20260704.xsd#adig_SeniorSecuredCreditAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019efac4-a94f-767f-b394-c0e097ba0670" xlink:to="loc_adig_SeniorSecuredCreditAgreementMember_019f8076-56be-768e-a471-3abc3aa20042" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ARTermBFacilityMember_019f4309-5a5b-7925-ad58-f75ad8d47ca5" xlink:href="adig-20260704.xsd#adig_ARTermBFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019efac4-a94f-767f-b394-c0e097ba0670" xlink:to="loc_adig_ARTermBFacilityMember_019f4309-5a5b-7925-ad58-f75ad8d47ca5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SeniorSecuredTermLoansMaturingFebruary2028Member_019efac5-1eac-72ad-9601-44f781ee5488" xlink:href="adig-20260704.xsd#adig_SeniorSecuredTermLoansMaturingFebruary2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adig_ARTermBFacilityMember_019f4309-5a5b-7925-ad58-f75ad8d47ca5" xlink:to="loc_adig_SeniorSecuredTermLoansMaturingFebruary2028Member_019efac5-1eac-72ad-9601-44f781ee5488" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SeniorSecuredTermLoansMaturingJune2031Member_019efac5-a5e3-71f3-bbcd-a5483f25ce95" xlink:href="adig-20260704.xsd#adig_SeniorSecuredTermLoansMaturingJune2031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adig_ARTermBFacilityMember_019f4309-5a5b-7925-ad58-f75ad8d47ca5" xlink:to="loc_adig_SeniorSecuredTermLoansMaturingJune2031Member_019efac5-a5e3-71f3-bbcd-a5483f25ce95" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SeniorSecuredTermLoansMaturingAugust2032Member_019efac6-159c-72ae-a840-af80bada2f23" xlink:href="adig-20260704.xsd#adig_SeniorSecuredTermLoansMaturingAugust2032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adig_ARTermBFacilityMember_019f4309-5a5b-7925-ad58-f75ad8d47ca5" xlink:to="loc_adig_SeniorSecuredTermLoansMaturingAugust2032Member_019efac6-159c-72ae-a840-af80bada2f23" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ARRevolvingCreditFacilityMember_019f8077-063c-727f-bf9c-4cb2b7256a0f" xlink:href="adig-20260704.xsd#adig_ARRevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019efac4-a94f-767f-b394-c0e097ba0670" xlink:to="loc_adig_ARRevolvingCreditFacilityMember_019f8077-063c-727f-bf9c-4cb2b7256a0f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SeniorNotesDue2029Member_019efaca-551b-7e68-9bf6-daf9cca1f008" xlink:href="adig-20260704.xsd#adig_SeniorNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019efac4-a94f-767f-b394-c0e097ba0670" xlink:to="loc_adig_SeniorNotesDue2029Member_019efaca-551b-7e68-9bf6-daf9cca1f008" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SeniorNotesDue2032Member_019efacd-bfbe-7015-95e7-856df4713b12" xlink:href="adig-20260704.xsd#adig_SeniorNotesDue2032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019efac4-a94f-767f-b394-c0e097ba0670" xlink:to="loc_adig_SeniorNotesDue2032Member_019efacd-bfbe-7015-95e7-856df4713b12" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019fb939-d370-7ebd-8257-4923943fe2fe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019efac3-863b-71e5-bc9d-ad7c9b7d1c8a" xlink:to="loc_us-gaap_CreditFacilityAxis_019fb939-d370-7ebd-8257-4923943fe2fe" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fb939-d370-7ebd-8257-4923943fe2fe_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019fb939-d370-7ebd-8257-4923943fe2fe" xlink:to="loc_us-gaap_CreditFacilityDomain_019fb939-d370-7ebd-8257-4923943fe2fe_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fb939-d370-7fbd-aee5-68d7ca8ef313" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019fb939-d370-7ebd-8257-4923943fe2fe" xlink:to="loc_us-gaap_CreditFacilityDomain_019fb939-d370-7fbd-aee5-68d7ca8ef313" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_TermLoanMember_019fb939-d370-71c7-ae1f-e77ace210696" xlink:href="adig-20260704.xsd#adig_TermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fb939-d370-7fbd-aee5-68d7ca8ef313" xlink:to="loc_adig_TermLoanMember_019fb939-d370-71c7-ae1f-e77ace210696" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019fb939-d370-7b39-b508-e9aa8327b164" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fb939-d370-7fbd-aee5-68d7ca8ef313" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019fb939-d370-7b39-b508-e9aa8327b164" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_019fb935-1b22-7b62-aabc-c06238347174" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LetterOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fb939-d370-7fbd-aee5-68d7ca8ef313" xlink:to="loc_us-gaap_LetterOfCreditMember_019fb935-1b22-7b62-aabc-c06238347174" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_019fb939-712a-7072-ac69-1973daf54029" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_019fb939-712a-7072-ac69-1973daf54029" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fb939-b1eb-7a4d-b59a-fa2db2848af5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fb939-b1eb-7a4d-b59a-fa2db2848af5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fb939-b1eb-7415-9d87-ed0554712a30" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fb939-b1eb-7415-9d87-ed0554712a30" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_019fb939-b1eb-7887-af7f-2756dbe00876" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_019fb939-b1eb-7887-af7f-2756dbe00876" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_019fb939-b1eb-7d29-8c65-1371785d7b97" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_019fb939-b1eb-7d29-8c65-1371785d7b97" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemedIncludingAccruedAndUnpaidInterest_019fd71e-4da2-7d24-bb49-288ec9fca4b7" xlink:href="adig-20260704.xsd#adig_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemedIncludingAccruedAndUnpaidInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_adig_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemedIncludingAccruedAndUnpaidInterest_019fd71e-4da2-7d24-bb49-288ec9fca4b7" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue_019fd92b-0806-7d72-a97d-6b8c16c8b915" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_LongTermDebtFairValue_019fd92b-0806-7d72-a97d-6b8c16c8b915" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fb939-d370-78d8-b3cb-7644667371e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fb939-d370-78d8-b3cb-7644667371e9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtTerm_019fd92e-2f00-71c3-9932-2135916cf7fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_LongTermDebtTerm_019fd92e-2f00-71c3-9932-2135916cf7fb" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_DebtInstrumentRepaymentPremiumPercentage_019fb939-d370-7fc9-9661-bdab68e8ea68" xlink:href="adig-20260704.xsd#adig_DebtInstrumentRepaymentPremiumPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_adig_DebtInstrumentRepaymentPremiumPercentage_019fb939-d370-7fc9-9661-bdab68e8ea68" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_DebtInstrumentRepaymentPremiumPeriodFollowingSpinOff_019fb939-d370-744d-b6e9-e08124e1030a" xlink:href="adig-20260704.xsd#adig_DebtInstrumentRepaymentPremiumPeriodFollowingSpinOff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_adig_DebtInstrumentRepaymentPremiumPeriodFollowingSpinOff_019fb939-d370-744d-b6e9-e08124e1030a" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_DebtInstrumentPeriodicAmortizationPaymentPercentageOfPrincipal_019fb939-d370-7a72-9d1b-4a8673ab32f4" xlink:href="adig-20260704.xsd#adig_DebtInstrumentPeriodicAmortizationPaymentPercentageOfPrincipal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_adig_DebtInstrumentPeriodicAmortizationPaymentPercentageOfPrincipal_019fb939-d370-7a72-9d1b-4a8673ab32f4" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_019fb939-d370-7db7-a5a8-155e7e0a6a04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_019fb939-d370-7db7-a5a8-155e7e0a6a04" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtWeightedAverageInterestRate_019fb939-f6d6-7e68-810b-464b276b1ec9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtWeightedAverageInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_LongtermDebtWeightedAverageInterestRate_019fb939-f6d6-7e68-810b-464b276b1ec9" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019fb939-b1eb-7376-8823-1a05fb449436" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_LongTermDebt_019fb939-b1eb-7376-8823-1a05fb449436" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt_019fc8d2-3a49-778e-a53f-a6139283663d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fb939-712a-72e6-9c56-a62172f5c7e3" xlink:to="loc_us-gaap_InterestExpenseDebt_019fc8d2-3a49-778e-a53f-a6139283663d" xlink:type="arc" order="15"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/LongTermDebtOutstandingDebtDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#LongTermDebtOutstandingDebtDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/LongTermDebtOutstandingDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019efad3-1b96-76b5-8d27-ab824baf35f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019efad3-1b96-706a-9ddc-a877f763f8b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019efad3-1b96-76b5-8d27-ab824baf35f0" xlink:to="loc_us-gaap_DebtInstrumentTable_019efad3-1b96-706a-9ddc-a877f763f8b6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019f42fe-7276-7d77-b7f2-82cac1400d22" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019efad3-1b96-706a-9ddc-a877f763f8b6" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019f42fe-7276-7d77-b7f2-82cac1400d22" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f42fe-7276-7d77-b7f2-82cac1400d22_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f42fe-7276-7d77-b7f2-82cac1400d22" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f42fe-7276-7d77-b7f2-82cac1400d22_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f42fe-7276-7472-ae89-fb9e18ec7b42" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f42fe-7276-7d77-b7f2-82cac1400d22" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f42fe-7276-7472-ae89-fb9e18ec7b42" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019f42fe-91e4-7948-8827-006eb3fe7a80" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019f42fe-7276-7472-ae89-fb9e18ec7b42" xlink:to="loc_us-gaap_SeniorNotesMember_019f42fe-91e4-7948-8827-006eb3fe7a80" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019f42fe-b0b7-705b-854b-50845ed0fd12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019f42fe-7276-7472-ae89-fb9e18ec7b42" xlink:to="loc_us-gaap_LineOfCreditMember_019f42fe-b0b7-705b-854b-50845ed0fd12" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019efad3-1b96-7f7f-a0b3-aa98fc49329b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019efad3-1b96-706a-9ddc-a877f763f8b6" xlink:to="loc_us-gaap_DebtInstrumentAxis_019efad3-1b96-7f7f-a0b3-aa98fc49329b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019efad3-1b96-7f7f-a0b3-aa98fc49329b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019efad3-1b96-7f7f-a0b3-aa98fc49329b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019efad3-1b96-7f7f-a0b3-aa98fc49329b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019efad3-1b96-7368-b96d-5e577e1e52fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019efad3-1b96-7f7f-a0b3-aa98fc49329b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019efad3-1b96-7368-b96d-5e577e1e52fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SeniorNotesDue2029Member_019efad5-d12f-7a8e-8362-f6cef186fbdb" xlink:href="adig-20260704.xsd#adig_SeniorNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019efad3-1b96-7368-b96d-5e577e1e52fa" xlink:to="loc_adig_SeniorNotesDue2029Member_019efad5-d12f-7a8e-8362-f6cef186fbdb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SeniorNotesDue2032Member_019efad5-e343-775d-bf89-3de5ade4c0d8" xlink:href="adig-20260704.xsd#adig_SeniorNotesDue2032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019efad3-1b96-7368-b96d-5e577e1e52fa" xlink:to="loc_adig_SeniorNotesDue2032Member_019efad5-e343-775d-bf89-3de5ade4c0d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SeniorNotesDue2034Member_019fadc1-a6e6-713d-a76e-2d7c0cc7783e" xlink:href="adig-20260704.xsd#adig_SeniorNotesDue2034Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019efad3-1b96-7368-b96d-5e577e1e52fa" xlink:to="loc_adig_SeniorNotesDue2034Member_019fadc1-a6e6-713d-a76e-2d7c0cc7783e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ARTermBFacilityMember_019efb19-a56f-7295-8387-f5401ae719dc" xlink:href="adig-20260704.xsd#adig_ARTermBFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019efad3-1b96-7368-b96d-5e577e1e52fa" xlink:to="loc_adig_ARTermBFacilityMember_019efb19-a56f-7295-8387-f5401ae719dc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_019efad4-cdc3-709b-a12b-473ef4a97f0d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019efad3-1b96-706a-9ddc-a877f763f8b6" xlink:to="loc_srt_ConsolidatedEntitiesAxis_019efad4-cdc3-709b-a12b-473ef4a97f0d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019efad4-cdc3-709b-a12b-473ef4a97f0d_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019efad4-cdc3-709b-a12b-473ef4a97f0d" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019efad4-cdc3-709b-a12b-473ef4a97f0d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019efad4-cdc3-78e2-a9a8-955d44c41b30" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019efad4-cdc3-709b-a12b-473ef4a97f0d" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019efad4-cdc3-78e2-a9a8-955d44c41b30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ParentCompanyMember_019efad4-e2cf-723f-8915-03ce658f43d5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ParentCompanyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019efad4-cdc3-78e2-a9a8-955d44c41b30" xlink:to="loc_srt_ParentCompanyMember_019efad4-e2cf-723f-8915-03ce658f43d5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_019f5bc4-c8ba-7329-826c-b780f801bdb9" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019efad3-1b96-706a-9ddc-a877f763f8b6" xlink:to="loc_srt_CounterpartyNameAxis_019f5bc4-c8ba-7329-826c-b780f801bdb9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019f5bc4-c8ba-7329-826c-b780f801bdb9_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_019f5bc4-c8ba-7329-826c-b780f801bdb9" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019f5bc4-c8ba-7329-826c-b780f801bdb9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019f5bc4-c8ba-763b-853c-adbffa2b3dcb" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_019f5bc4-c8ba-7329-826c-b780f801bdb9" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019f5bc4-c8ba-763b-853c-adbffa2b3dcb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ADISpinOffMember_019f5bc5-4c29-753b-9494-a1c8481e0a62" xlink:href="adig-20260704.xsd#adig_ADISpinOffMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019f5bc4-c8ba-763b-853c-adbffa2b3dcb" xlink:to="loc_adig_ADISpinOffMember_019f5bc5-4c29-753b-9494-a1c8481e0a62" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fadc1-ef37-7519-9de1-1d449484db9a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019efad3-1b96-76b5-8d27-ab824baf35f0" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fadc1-ef37-7519-9de1-1d449484db9a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019efe77-b08b-72c4-a59e-14a765e85549" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019efad3-1b96-76b5-8d27-ab824baf35f0" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019efe77-b08b-72c4-a59e-14a765e85549" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019efad3-8ba1-7b78-89c0-8f7309d702a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019efad3-1b96-76b5-8d27-ab824baf35f0" xlink:to="loc_us-gaap_LongTermDebtCurrent_019efad3-8ba1-7b78-89c0-8f7309d702a6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_019efad3-b31b-75bf-9718-3804bb5c555a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019efad3-1b96-76b5-8d27-ab824baf35f0" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_019efad3-b31b-75bf-9718-3804bb5c555a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019efad3-d61e-7b8d-8a37-baa14a9d4082" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019efad3-1b96-76b5-8d27-ab824baf35f0" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019efad3-d61e-7b8d-8a37-baa14a9d4082" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/IndemnificationAgreementNarrativeDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#IndemnificationAgreementNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/IndemnificationAgreementNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_019efadf-2882-7792-bdcb-846459ac83c6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCommitmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTable_019efadf-2882-7c62-8f6c-7399477b3f27" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCommitmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019efadf-2882-7792-bdcb-846459ac83c6" xlink:to="loc_us-gaap_OtherCommitmentsTable_019efadf-2882-7c62-8f6c-7399477b3f27" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_019efae8-ef1b-75cb-b3f1-18664f5de78e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_019efadf-2882-7c62-8f6c-7399477b3f27" xlink:to="loc_srt_ConsolidatedEntitiesAxis_019efae8-ef1b-75cb-b3f1-18664f5de78e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019efae8-ef1b-75cb-b3f1-18664f5de78e_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019efae8-ef1b-75cb-b3f1-18664f5de78e" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019efae8-ef1b-75cb-b3f1-18664f5de78e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019efae8-ef1b-7f77-9e10-816a51c84e57" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019efae8-ef1b-75cb-b3f1-18664f5de78e" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019efae8-ef1b-7f77-9e10-816a51c84e57" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ParentCompanyMember_019efae9-001d-76a8-ad2c-037df599e4c5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ParentCompanyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019efae8-ef1b-7f77-9e10-816a51c84e57" xlink:to="loc_srt_ParentCompanyMember_019efae9-001d-76a8-ad2c-037df599e4c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_IndemnificationAgreementEnvironmentalLiabilityMaximumObligation_019f4319-05ab-7877-873f-3a3ee6026881" xlink:href="adig-20260704.xsd#adig_IndemnificationAgreementEnvironmentalLiabilityMaximumObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019efadf-2882-7792-bdcb-846459ac83c6" xlink:to="loc_adig_IndemnificationAgreementEnvironmentalLiabilityMaximumObligation_019f4319-05ab-7877-873f-3a3ee6026881" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_IndemnificationAgreementAnnualReimbursementObligation_019efae3-3f19-75e6-b32c-b20ee71ddedc" xlink:href="adig-20260704.xsd#adig_IndemnificationAgreementAnnualReimbursementObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019efadf-2882-7792-bdcb-846459ac83c6" xlink:to="loc_adig_IndemnificationAgreementAnnualReimbursementObligation_019efae3-3f19-75e6-b32c-b20ee71ddedc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForEnvironmentalLiabilities_019efae0-d0b8-73c8-95c4-91e78abd0092" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForEnvironmentalLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019efadf-2882-7792-bdcb-846459ac83c6" xlink:to="loc_us-gaap_PaymentsForEnvironmentalLiabilities_019efae0-d0b8-73c8-95c4-91e78abd0092" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_IndemnificationAgreementTerminationPayment_019f433b-0104-7bae-bd11-6d99d7fead75" xlink:href="adig-20260704.xsd#adig_IndemnificationAgreementTerminationPayment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019efadf-2882-7792-bdcb-846459ac83c6" xlink:to="loc_adig_IndemnificationAgreementTerminationPayment_019f433b-0104-7bae-bd11-6d99d7fead75" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_IndemnificationAgreementPaymentsForEnvironmentalLiabilities_019f4339-e058-7664-a240-25f2d842bb31" xlink:href="adig-20260704.xsd#adig_IndemnificationAgreementPaymentsForEnvironmentalLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019efadf-2882-7792-bdcb-846459ac83c6" xlink:to="loc_adig_IndemnificationAgreementPaymentsForEnvironmentalLiabilities_019f4339-e058-7664-a240-25f2d842bb31" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_IndemnificationAgreementExpense_019efae8-10b1-76f4-9814-5ac86f0a164d" xlink:href="adig-20260704.xsd#adig_IndemnificationAgreementExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019efadf-2882-7792-bdcb-846459ac83c6" xlink:to="loc_adig_IndemnificationAgreementExpense_019efae8-10b1-76f4-9814-5ac86f0a164d" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/IndemnificationAgreementSummaryofAllocationofIndemnificationAgreementDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#IndemnificationAgreementSummaryofAllocationofIndemnificationAgreementDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/IndemnificationAgreementSummaryofAllocationofIndemnificationAgreementDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_019fb940-acf4-734c-a0a7-cb22579ccd58" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCommitmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTable_019fb940-acf4-794d-b2d6-ef640800e41c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCommitmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019fb940-acf4-734c-a0a7-cb22579ccd58" xlink:to="loc_us-gaap_OtherCommitmentsTable_019fb940-acf4-794d-b2d6-ef640800e41c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_019fb940-acf4-7942-982e-a25570856460" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_019fb940-acf4-794d-b2d6-ef640800e41c" xlink:to="loc_srt_CounterpartyNameAxis_019fb940-acf4-7942-982e-a25570856460" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fb940-acf4-7942-982e-a25570856460_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_019fb940-acf4-7942-982e-a25570856460" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fb940-acf4-7942-982e-a25570856460_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fb940-acf4-78ea-a089-1e10ea514792" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_019fb940-acf4-7942-982e-a25570856460" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fb940-acf4-78ea-a089-1e10ea514792" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ADISpinOffMember_019fb940-acf4-718d-81b6-57371d6e324a" xlink:href="adig-20260704.xsd#adig_ADISpinOffMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fb940-acf4-78ea-a089-1e10ea514792" xlink:to="loc_adig_ADISpinOffMember_019fb940-acf4-718d-81b6-57371d6e324a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_019fb940-acf4-7515-ad96-8af8d20b4d90" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_019fb940-acf4-794d-b2d6-ef640800e41c" xlink:to="loc_srt_ConsolidatedEntitiesAxis_019fb940-acf4-7515-ad96-8af8d20b4d90" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fb940-acf4-7515-ad96-8af8d20b4d90_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fb940-acf4-7515-ad96-8af8d20b4d90" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fb940-acf4-7515-ad96-8af8d20b4d90_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fb940-acf4-7ac7-8c25-d94783138ac3" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fb940-acf4-7515-ad96-8af8d20b4d90" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fb940-acf4-7ac7-8c25-d94783138ac3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ParentCompanyMember_019fb940-acf4-7ece-8238-28f5561e2e7a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ParentCompanyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019fb940-acf4-7ac7-8c25-d94783138ac3" xlink:to="loc_srt_ParentCompanyMember_019fb940-acf4-7ece-8238-28f5561e2e7a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_IndemnificationAgreementExpense_019fb940-acf4-720b-8369-1f985366a3b5" xlink:href="adig-20260704.xsd#adig_IndemnificationAgreementExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019fb940-acf4-734c-a0a7-cb22579ccd58" xlink:to="loc_adig_IndemnificationAgreementExpense_019fb940-acf4-720b-8369-1f985366a3b5" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/StockBasedCompensationPlansStockIncentivePlanDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#StockBasedCompensationPlansStockIncentivePlanDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/StockBasedCompensationPlansStockIncentivePlanDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019efb0c-5b98-71f0-b7d3-03fd3eb94dc6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019efb0c-5b98-79cd-9c0a-e997214fb0a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019efb0c-5b98-71f0-b7d3-03fd3eb94dc6" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019efb0c-5b98-79cd-9c0a-e997214fb0a1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019efb0e-2554-710e-b14a-bf6ac047e7ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019efb0c-5b98-79cd-9c0a-e997214fb0a1" xlink:to="loc_us-gaap_AwardTypeAxis_019efb0e-2554-710e-b14a-bf6ac047e7ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019efb0e-2554-710e-b14a-bf6ac047e7ac_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019efb0e-2554-710e-b14a-bf6ac047e7ac" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019efb0e-2554-710e-b14a-bf6ac047e7ac_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019efb0e-2554-7e06-9781-1cd986537e16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019efb0e-2554-710e-b14a-bf6ac047e7ac" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019efb0e-2554-7e06-9781-1cd986537e16" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_019efb0e-3d82-77c1-bb77-5d449c27e171" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019efb0e-2554-7e06-9781-1cd986537e16" xlink:to="loc_us-gaap_PerformanceSharesMember_019efb0e-3d82-77c1-bb77-5d449c27e171" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_019efb0e-5243-714f-a8d3-d6b6f19941ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019efb0e-2554-7e06-9781-1cd986537e16" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_019efb0e-5243-714f-a8d3-d6b6f19941ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019efb0c-5b98-7e88-8111-9703a4f904fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019efb0c-5b98-71f0-b7d3-03fd3eb94dc6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019efb0c-5b98-7e88-8111-9703a4f904fa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019efb0c-9a6a-75db-a230-fa61a8fbad04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019efb0c-5b98-71f0-b7d3-03fd3eb94dc6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019efb0c-9a6a-75db-a230-fa61a8fbad04" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#CommitmentsandContingenciesDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/CommitmentsandContingenciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainContingenciesLineItems_019fcdfc-682d-7bf9-9c05-70ab756c2605" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainContingenciesTable_019fcdfc-682d-70c6-800a-275660964f9c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GainContingenciesLineItems_019fcdfc-682d-7bf9-9c05-70ab756c2605" xlink:to="loc_us-gaap_GainContingenciesTable_019fcdfc-682d-70c6-800a-275660964f9c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainContingenciesByNatureAxis_019fcdfc-682d-7ec5-b0c5-81ed909a3202" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainContingenciesByNatureAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_GainContingenciesTable_019fcdfc-682d-70c6-800a-275660964f9c" xlink:to="loc_us-gaap_GainContingenciesByNatureAxis_019fcdfc-682d-7ec5-b0c5-81ed909a3202" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainContingencyNatureDomain_019fcdfc-682d-7ec5-b0c5-81ed909a3202_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GainContingenciesByNatureAxis_019fcdfc-682d-7ec5-b0c5-81ed909a3202" xlink:to="loc_us-gaap_GainContingencyNatureDomain_019fcdfc-682d-7ec5-b0c5-81ed909a3202_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainContingencyNatureDomain_019fcdfc-682d-7bb8-89af-b8f2fcbcc8b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GainContingenciesByNatureAxis_019fcdfc-682d-7ec5-b0c5-81ed909a3202" xlink:to="loc_us-gaap_GainContingencyNatureDomain_019fcdfc-682d-7bb8-89af-b8f2fcbcc8b8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_IEEPATariffRefundMember_019fcdfc-682d-7d99-b241-cdbdaea344e3" xlink:href="adig-20260704.xsd#adig_IEEPATariffRefundMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GainContingencyNatureDomain_019fcdfc-682d-7bb8-89af-b8f2fcbcc8b8" xlink:to="loc_adig_IEEPATariffRefundMember_019fcdfc-682d-7d99-b241-cdbdaea344e3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RecoveryOfDirectCosts_019fcdfc-682d-719a-84ca-b219d501dc2f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RecoveryOfDirectCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GainContingenciesLineItems_019fcdfc-682d-7bf9-9c05-70ab756c2605" xlink:to="loc_us-gaap_RecoveryOfDirectCosts_019fcdfc-682d-719a-84ca-b219d501dc2f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/RelatedPartyTransactionsNarrativeDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#RelatedPartyTransactionsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/RelatedPartyTransactionsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019efe9e-e530-73d7-a2f6-fc0b8980b556" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019efe9e-e530-73d7-a2f6-fc0b8980b556" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019efe9e-e530-7e24-8bd3-ff3ca35f854c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019efe9e-e530-73d7-a2f6-fc0b8980b556" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019efe9e-e530-7e24-8bd3-ff3ca35f854c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019efe9e-e530-7e24-8bd3-ff3ca35f854c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019efe9e-e530-7e24-8bd3-ff3ca35f854c" xlink:to="loc_us-gaap_RelatedPartyDomain_019efe9e-e530-7e24-8bd3-ff3ca35f854c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019efe9e-e530-7723-8fcd-1789fe664115" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019efe9e-e530-7e24-8bd3-ff3ca35f854c" xlink:to="loc_us-gaap_RelatedPartyDomain_019efe9e-e530-7723-8fcd-1789fe664115" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_019efe9f-0581-7ee7-b63f-204cab8105d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_019efe9e-e530-7723-8fcd-1789fe664115" xlink:to="loc_us-gaap_RelatedPartyMember_019efe9f-0581-7ee7-b63f-204cab8105d4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019efe9e-e530-775d-897d-ccbc1d4b1de3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019efe9e-e530-775d-897d-ccbc1d4b1de3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SpinOffTransactionRelatedExpense_019efe9f-8022-7a7f-b63e-b347be476c7b" xlink:href="adig-20260704.xsd#adig_SpinOffTransactionRelatedExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:to="loc_adig_SpinOffTransactionRelatedExpense_019efe9f-8022-7a7f-b63e-b347be476c7b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_PaymentsToAcquireInventory_019efea6-2616-70a1-9d57-246237af5e38" xlink:href="adig-20260704.xsd#adig_PaymentsToAcquireInventory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:to="loc_adig_PaymentsToAcquireInventory_019efea6-2616-70a1-9d57-246237af5e38" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_AcquiredInventoryCashSettledAmount_019efeaf-cc92-7000-bebf-d4dc4776c3ae" xlink:href="adig-20260704.xsd#adig_AcquiredInventoryCashSettledAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:to="loc_adig_AcquiredInventoryCashSettledAmount_019efeaf-cc92-7000-bebf-d4dc4776c3ae" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_CashPoolingArrangementsReceivable_019fd30e-e2ac-7efd-98ef-b5bed9205928" xlink:href="adig-20260704.xsd#adig_CashPoolingArrangementsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:to="loc_adig_CashPoolingArrangementsReceivable_019fd30e-e2ac-7efd-98ef-b5bed9205928" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_CashPoolingArrangementsPayable_019f1973-e39d-70c1-9eec-8db3a3647c5b" xlink:href="adig-20260704.xsd#adig_CashPoolingArrangementsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:to="loc_adig_CashPoolingArrangementsPayable_019f1973-e39d-70c1-9eec-8db3a3647c5b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_AcquiredInventoryAmountNotCashSettled_019efeb2-546d-7d97-ac3e-47ed5d2a9469" xlink:href="adig-20260704.xsd#adig_AcquiredInventoryAmountNotCashSettled"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:to="loc_adig_AcquiredInventoryAmountNotCashSettled_019efeb2-546d-7d97-ac3e-47ed5d2a9469" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_IntercompanyLoansPayable_019f1975-0123-7adf-84d9-3ab5edcddda6" xlink:href="adig-20260704.xsd#adig_IntercompanyLoansPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:to="loc_adig_IntercompanyLoansPayable_019f1975-0123-7adf-84d9-3ab5edcddda6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_IntercompanyLoansReceivable_019f1975-6987-78bf-8cd0-0c801bc36081" xlink:href="adig-20260704.xsd#adig_IntercompanyLoansReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:to="loc_adig_IntercompanyLoansReceivable_019f1975-6987-78bf-8cd0-0c801bc36081" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019efeb3-74a3-73c7-84fe-c404f4bb5b29" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019efeb3-74a3-73c7-84fe-c404f4bb5b29" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_019f8096-9894-7de0-b8dd-a24c31fe3024" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efe9e-e530-77a9-ba3f-45efd55084f5" xlink:to="loc_us-gaap_InvestmentIncomeInterest_019f8096-9894-7de0-b8dd-a24c31fe3024" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/RelatedPartyTransactionsNetTransfersToFromParentDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#RelatedPartyTransactionsNetTransfersToFromParentDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/RelatedPartyTransactionsNetTransfersToFromParentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_019efebf-a424-7d6a-a561-3fe0216c7e18" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019efebf-a424-7e01-be36-fa9f8dca46a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efebf-a424-7d6a-a561-3fe0216c7e18" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019efebf-a424-7e01-be36-fa9f8dca46a4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_019efebf-a424-7a34-9dfb-2ec33f01d908" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019efebf-a424-7e01-be36-fa9f8dca46a4" xlink:to="loc_srt_ConsolidatedEntitiesAxis_019efebf-a424-7a34-9dfb-2ec33f01d908" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019efebf-a424-7a34-9dfb-2ec33f01d908_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019efebf-a424-7a34-9dfb-2ec33f01d908" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019efebf-a424-7a34-9dfb-2ec33f01d908_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019efebf-a424-7462-bebf-21c74f79aaa7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019efebf-a424-7a34-9dfb-2ec33f01d908" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019efebf-a424-7462-bebf-21c74f79aaa7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ParentCompanyMember_019efebf-a424-73bd-8e5c-a5fb320f532c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ParentCompanyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019efebf-a424-7462-bebf-21c74f79aaa7" xlink:to="loc_srt_ParentCompanyMember_019efebf-a424-73bd-8e5c-a5fb320f532c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019efebf-a424-71ea-b819-21217bca73fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019efebf-a424-7e01-be36-fa9f8dca46a4" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019efebf-a424-71ea-b819-21217bca73fd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019efebf-a424-71ea-b819-21217bca73fd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019efebf-a424-71ea-b819-21217bca73fd" xlink:to="loc_us-gaap_RelatedPartyDomain_019efebf-a424-71ea-b819-21217bca73fd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019efebf-a424-7e7c-9787-3a47e7c9d11b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019efebf-a424-71ea-b819-21217bca73fd" xlink:to="loc_us-gaap_RelatedPartyDomain_019efebf-a424-7e7c-9787-3a47e7c9d11b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_019efebf-fc9b-7d02-9ef0-9402d96e164a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_019efebf-a424-7e7c-9787-3a47e7c9d11b" xlink:to="loc_us-gaap_RelatedPartyMember_019efebf-fc9b-7d02-9ef0-9402d96e164a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ProceedsFromPaymentsForParentCompanyTransfers_019efebf-a424-7cc9-9a08-62392df5bfc6" xlink:href="adig-20260704.xsd#adig_ProceedsFromPaymentsForParentCompanyTransfers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efebf-a424-7d6a-a561-3fe0216c7e18" xlink:to="loc_adig_ProceedsFromPaymentsForParentCompanyTransfers_019efebf-a424-7cc9-9a08-62392df5bfc6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019efebf-a424-7ae4-877a-7a8184ffe79e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efebf-a424-7d6a-a561-3fe0216c7e18" xlink:to="loc_us-gaap_ShareBasedCompensation_019efebf-a424-7ae4-877a-7a8184ffe79e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019efec0-504a-7972-8e05-8295788515dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efebf-a424-7d6a-a561-3fe0216c7e18" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019efec0-504a-7972-8e05-8295788515dc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ThirdPartyDebtAndDerivatives_019efec3-bbb7-7bc5-a8fb-3aace009c1a4" xlink:href="adig-20260704.xsd#adig_ThirdPartyDebtAndDerivatives"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efebf-a424-7d6a-a561-3fe0216c7e18" xlink:to="loc_adig_ThirdPartyDebtAndDerivatives_019efec3-bbb7-7bc5-a8fb-3aace009c1a4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_OtherNoncashProvidedByUsedInInvestingAndFinancingActivities_019efec5-4d23-73fa-bd0a-57a7d7af4097" xlink:href="adig-20260704.xsd#adig_OtherNoncashProvidedByUsedInInvestingAndFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efebf-a424-7d6a-a561-3fe0216c7e18" xlink:to="loc_adig_OtherNoncashProvidedByUsedInInvestingAndFinancingActivities_019efec5-4d23-73fa-bd0a-57a7d7af4097" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_TransfersFromParentCompanyNet_019efebf-a424-7b73-8505-891800ce108a" xlink:href="adig-20260704.xsd#adig_TransfersFromParentCompanyNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019efebf-a424-7d6a-a561-3fe0216c7e18" xlink:to="loc_adig_TransfersFromParentCompanyNet_019efebf-a424-7b73-8505-891800ce108a" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.resideo.com/role/SubsequentEventsDetails" xlink:type="simple" xlink:href="adig-20260704.xsd#SubsequentEventsDetails"/>
  <link:definitionLink xlink:role="http://www.resideo.com/role/SubsequentEventsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_019fce03-4867-70b4-8c91-27716ef2b505" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_us-gaap_SubsequentEventTable_019fce03-4867-70b4-8c91-27716ef2b505" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_019fdc2e-b77f-7e7a-b095-26be5574cdad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fce03-4867-70b4-8c91-27716ef2b505" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_019fdc2e-b77f-7e7a-b095-26be5574cdad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_019fdc2e-b77f-7e7a-b095-26be5574cdad_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_019fdc2e-b77f-7e7a-b095-26be5574cdad" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_019fdc2e-b77f-7e7a-b095-26be5574cdad_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_019fdc2e-b77f-7925-84b4-aa07472f7291" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_019fdc2e-b77f-7e7a-b095-26be5574cdad" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_019fdc2e-b77f-7925-84b4-aa07472f7291" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_019fdc2e-b77f-7ebe-8f6a-e0ba7bcf4240" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_019fdc2e-b77f-7925-84b4-aa07472f7291" xlink:to="loc_us-gaap_SubsequentEventMember_019fdc2e-b77f-7ebe-8f6a-e0ba7bcf4240" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fdc2e-b77f-74e7-bca2-b232b306177d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fce03-4867-70b4-8c91-27716ef2b505" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fdc2e-b77f-74e7-bca2-b232b306177d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fdc2e-b77f-74e7-bca2-b232b306177d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fdc2e-b77f-74e7-bca2-b232b306177d" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fdc2e-b77f-74e7-bca2-b232b306177d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fdc2e-b77f-7e6e-9aed-db71c7e2c153" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fdc2e-b77f-74e7-bca2-b232b306177d" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fdc2e-b77f-7e6e-9aed-db71c7e2c153" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SeniorNotesDue2034Member_019fdc2e-b77f-728d-9da9-7fd75e93973d" xlink:href="adig-20260704.xsd#adig_SeniorNotesDue2034Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdc2e-b77f-7e6e-9aed-db71c7e2c153" xlink:to="loc_adig_SeniorNotesDue2034Member_019fdc2e-b77f-728d-9da9-7fd75e93973d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SeniorSecuredCreditAgreementMember_019fdc2e-b77f-7111-ace8-664e0aa512d8" xlink:href="adig-20260704.xsd#adig_SeniorSecuredCreditAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fdc2e-b77f-7e6e-9aed-db71c7e2c153" xlink:to="loc_adig_SeniorSecuredCreditAgreementMember_019fdc2e-b77f-7111-ace8-664e0aa512d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fdc2e-b77f-7495-9c0f-05f9ffa8d643" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fce03-4867-70b4-8c91-27716ef2b505" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fdc2e-b77f-7495-9c0f-05f9ffa8d643" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fdc2e-b77f-7495-9c0f-05f9ffa8d643_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fdc2e-b77f-7495-9c0f-05f9ffa8d643" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fdc2e-b77f-7495-9c0f-05f9ffa8d643_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fdc2e-b77f-77a2-a101-8dee5097c93e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fdc2e-b77f-7495-9c0f-05f9ffa8d643" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fdc2e-b77f-77a2-a101-8dee5097c93e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019fdc2e-b77f-779c-b636-147ea039346b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fdc2e-b77f-77a2-a101-8dee5097c93e" xlink:to="loc_us-gaap_SeniorNotesMember_019fdc2e-b77f-779c-b636-147ea039346b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019fdc2e-b77f-76bc-97d3-bdcc14ae32a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fdc2e-b77f-77a2-a101-8dee5097c93e" xlink:to="loc_us-gaap_LineOfCreditMember_019fdc2e-b77f-76bc-97d3-bdcc14ae32a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019fdc2e-b77f-7d7a-a31c-2fbb8b7b4cc8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fce03-4867-70b4-8c91-27716ef2b505" xlink:to="loc_us-gaap_CreditFacilityAxis_019fdc2e-b77f-7d7a-a31c-2fbb8b7b4cc8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fdc2e-b77f-7d7a-a31c-2fbb8b7b4cc8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019fdc2e-b77f-7d7a-a31c-2fbb8b7b4cc8" xlink:to="loc_us-gaap_CreditFacilityDomain_019fdc2e-b77f-7d7a-a31c-2fbb8b7b4cc8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fdc2e-b77f-7956-94b6-b903dd38b3b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019fdc2e-b77f-7d7a-a31c-2fbb8b7b4cc8" xlink:to="loc_us-gaap_CreditFacilityDomain_019fdc2e-b77f-7956-94b6-b903dd38b3b0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_TermLoanMember_019fdc2e-b77f-7825-b280-d39c7c9863dd" xlink:href="adig-20260704.xsd#adig_TermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fdc2e-b77f-7956-94b6-b903dd38b3b0" xlink:to="loc_adig_TermLoanMember_019fdc2e-b77f-7825-b280-d39c7c9863dd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019fdc2e-b77f-7b82-8e85-629501d22022" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fdc2e-b77f-7956-94b6-b903dd38b3b0" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019fdc2e-b77f-7b82-8e85-629501d22022" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_019fdc2e-d71b-7259-8559-c6001536aa32" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fce03-4867-70b4-8c91-27716ef2b505" xlink:to="loc_srt_CounterpartyNameAxis_019fdc2e-d71b-7259-8559-c6001536aa32" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fdc2e-d71b-7259-8559-c6001536aa32_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_019fdc2e-d71b-7259-8559-c6001536aa32" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fdc2e-d71b-7259-8559-c6001536aa32_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fdc2e-d71b-7f26-aa2b-844d6f278c9e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_019fdc2e-d71b-7259-8559-c6001536aa32" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fdc2e-d71b-7f26-aa2b-844d6f278c9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ResidioMember_019fdc2e-d71b-78f6-a9ea-cab4c3b7a84d" xlink:href="adig-20260704.xsd#adig_ResidioMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fdc2e-d71b-7f26-aa2b-844d6f278c9e" xlink:to="loc_adig_ResidioMember_019fdc2e-d71b-78f6-a9ea-cab4c3b7a84d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fdc2e-d71b-7e0a-a6a8-4e0dd1651cd5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fce03-4867-70b4-8c91-27716ef2b505" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fdc2e-d71b-7e0a-a6a8-4e0dd1651cd5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fdc2e-d71b-7e0a-a6a8-4e0dd1651cd5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fdc2e-d71b-7e0a-a6a8-4e0dd1651cd5" xlink:to="loc_us-gaap_ClassOfStockDomain_019fdc2e-d71b-7e0a-a6a8-4e0dd1651cd5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fdc2e-d71b-7714-a8cd-830c8adb09e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fdc2e-d71b-7e0a-a6a8-4e0dd1651cd5" xlink:to="loc_us-gaap_ClassOfStockDomain_019fdc2e-d71b-7714-a8cd-830c8adb09e3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ResidioPreferredStockMember_019fdc2e-d71b-76f3-b56a-f12d11e15321" xlink:href="adig-20260704.xsd#adig_ResidioPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fdc2e-d71b-7714-a8cd-830c8adb09e3" xlink:to="loc_adig_ResidioPreferredStockMember_019fdc2e-d71b-76f3-b56a-f12d11e15321" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ADIPreferredStockMember_019fdc2e-d71b-728c-9de8-d11354945e11" xlink:href="adig-20260704.xsd#adig_ADIPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fdc2e-d71b-7714-a8cd-830c8adb09e3" xlink:to="loc_adig_ADIPreferredStockMember_019fdc2e-d71b-728c-9de8-d11354945e11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ConvertibleTermsOfConversionAxis_019fdc2e-d71b-7246-bf59-94f0611a4862" xlink:href="adig-20260704.xsd#adig_ConvertibleTermsOfConversionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fce03-4867-70b4-8c91-27716ef2b505" xlink:to="loc_adig_ConvertibleTermsOfConversionAxis_019fdc2e-d71b-7246-bf59-94f0611a4862" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ConvertibleTermsOfConversionDomain_019fdc2e-d71b-7246-bf59-94f0611a4862_default" xlink:href="adig-20260704.xsd#adig_ConvertibleTermsOfConversionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_adig_ConvertibleTermsOfConversionAxis_019fdc2e-d71b-7246-bf59-94f0611a4862" xlink:to="loc_adig_ConvertibleTermsOfConversionDomain_019fdc2e-d71b-7246-bf59-94f0611a4862_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ConvertibleTermsOfConversionDomain_019fdc2e-d71b-7388-9c90-f26a7e629b4f" xlink:href="adig-20260704.xsd#adig_ConvertibleTermsOfConversionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_adig_ConvertibleTermsOfConversionAxis_019fdc2e-d71b-7246-bf59-94f0611a4862" xlink:to="loc_adig_ConvertibleTermsOfConversionDomain_019fdc2e-d71b-7388-9c90-f26a7e629b4f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_ConversionTermsOneMember_019fdc2e-d71b-7778-b123-1d8c570f46db" xlink:href="adig-20260704.xsd#adig_ConversionTermsOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adig_ConvertibleTermsOfConversionDomain_019fdc2e-d71b-7388-9c90-f26a7e629b4f" xlink:to="loc_adig_ConversionTermsOneMember_019fdc2e-d71b-7778-b123-1d8c570f46db" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SpinoffTransactionProRataDistributionPercentage_019fdc2e-b77f-753c-8cc5-08825b23ad74" xlink:href="adig-20260704.xsd#adig_SpinoffTransactionProRataDistributionPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_adig_SpinoffTransactionProRataDistributionPercentage_019fdc2e-b77f-753c-8cc5-08825b23ad74" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fdc2e-b77f-7d74-a660-ccb1345eb963" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fdc2e-b77f-7d74-a660-ccb1345eb963" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fdc2e-b77f-7c9d-a59a-4140cd07ca32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fdc2e-b77f-7c9d-a59a-4140cd07ca32" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtTerm_019fdc2e-b77f-7980-a5cf-4b2499ce101f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_us-gaap_LongTermDebtTerm_019fdc2e-b77f-7980-a5cf-4b2499ce101f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_019fdc2e-b77f-7695-93a5-57f838ecf48c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_019fdc2e-b77f-7695-93a5-57f838ecf48c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Dividends_019fdc2e-d71b-73f1-9987-4479de92874d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Dividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_us-gaap_Dividends_019fdc2e-d71b-73f1-9987-4479de92874d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fdc2e-d71b-7601-9bce-9201870acd28" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fdc2e-d71b-7601-9bce-9201870acd28" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SpinoffTransactionNumberOfSharesCancelled_019fdc2e-d71b-7041-9d7a-c94536ec7ce1" xlink:href="adig-20260704.xsd#adig_SpinoffTransactionNumberOfSharesCancelled"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_adig_SpinoffTransactionNumberOfSharesCancelled_019fdc2e-d71b-7041-9d7a-c94536ec7ce1" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_SpinoffTransactionNumberOfSharesOutstanding_019fdc2e-d71b-73ec-b03f-f1e59648d5d9" xlink:href="adig-20260704.xsd#adig_SpinoffTransactionNumberOfSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_adig_SpinoffTransactionNumberOfSharesOutstanding_019fdc2e-d71b-73ec-b03f-f1e59648d5d9" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockConvertibleConversionPrice_019fdc2e-d71b-7989-8cc4-b9b6b49e5b0d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockConvertibleConversionPrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_us-gaap_PreferredStockConvertibleConversionPrice_019fdc2e-d71b-7989-8cc4-b9b6b49e5b0d" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_019fdc2e-d71b-7519-ac79-22bb2befc1c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage_019fdc2e-d71b-7519-ac79-22bb2befc1c8" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockLiquidationPreference_019fdc2e-d71b-7245-a4e3-99a98c0540ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockLiquidationPreference"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_us-gaap_PreferredStockLiquidationPreference_019fdc2e-d71b-7245-a4e3-99a98c0540ab" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_PreferredStockConvertibleThresholdPercentageOfStockPriceTrigger_019fdc2e-d71b-79fe-abdd-5fb1342e39f2" xlink:href="adig-20260704.xsd#adig_PreferredStockConvertibleThresholdPercentageOfStockPriceTrigger"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_adig_PreferredStockConvertibleThresholdPercentageOfStockPriceTrigger_019fdc2e-d71b-79fe-abdd-5fb1342e39f2" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_PreferredStockConvertibleThresholdTradingDays_019fdc2e-d71b-77b4-afb8-b3bdfa54a72c" xlink:href="adig-20260704.xsd#adig_PreferredStockConvertibleThresholdTradingDays"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_adig_PreferredStockConvertibleThresholdTradingDays_019fdc2e-d71b-77b4-afb8-b3bdfa54a72c" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_PreferredStockConvertibleThresholdConsecutiveTradingDays_019fdc2e-d71b-7618-81b0-881b0557ca52" xlink:href="adig-20260704.xsd#adig_PreferredStockConvertibleThresholdConsecutiveTradingDays"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_adig_PreferredStockConvertibleThresholdConsecutiveTradingDays_019fdc2e-d71b-7618-81b0-881b0557ca52" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_adig_PreferredStockConvertiblePurchasePricePercentageOfAccumulatedAmountIncludingAccruedAndUnpaidDividends_019fdc2e-d71b-722e-a592-d9aa79bb09bb" xlink:href="adig-20260704.xsd#adig_PreferredStockConvertiblePurchasePricePercentageOfAccumulatedAmountIncludingAccruedAndUnpaidDividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fdc2e-b77f-7c7c-982a-55adb58686e6" xlink:to="loc_adig_PreferredStockConvertiblePurchasePricePercentageOfAccumulatedAmountIncludingAccruedAndUnpaidDividends_019fdc2e-d71b-722e-a592-d9aa79bb09bb" xlink:type="arc" order="15"/>
  </link:definitionLink>
</link:linkbase>
