ADVENTITIAL Antonyms There are 10 antonyms of the word adventitial. (opposite meanings)Did you mean?Definition of ADVENTITIALBest Opposite Words For ADVENTITIALTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1centraladjectiveadj2corenoun, adjectiven, adj3essentialadjectiveadj4fundamentaladjectiveadj5inneradjectiveadj6interiornoun, adjectiven, adj7intrinsicadjectiveadj8necessaryadverb, adjectiveadv, adj9pivotaladjectiveadj10vitaladjectiveadj Alternatives for CENTRAL Words (18)mainprincipalfundamentalkeybasiccentralizedcorecrucialessentialfocalmiddlepivotalprimaryprimedominantcardinalexchangeprimalPhrases (1)telephone exchangeOpposite words for central Alternatives for CORE Words (20)essencecentercruxheartkernelnucleusgistburdencentreeffecthomerinwardnessmarrowmeatnitty-grittynubpithsubstancesumomerPhrases (4)congress of racial equalitycore groupheart and soulmagnetic coreOpposite words for core Alternatives for ESSENTIAL Words (16)crucialindispensablenecessaryrequisitebasicfundamentalimperativeimportantkeyprimarysignificantvitalall-importantnecessityrequirementsubstantivePhrases (1)of the essenceOpposite words for essential Alternatives for FUNDAMENTAL Words (20)keyrudimentaryunderlyingbasiccorecrucialelementaryessentialimportantindispensableintrinsicnecessaryprimaryprincipalvitalfoundationalcardinalcentralprimalprofoundPhrases (2)first harmonicfundamental frequencyOpposite words for fundamental Alternatives for INNER Words (16)internalinteriorinsidedeephiddeninherentinmostinnateinnermostintrinsicinwardprivateprofoundsecretintimateprivilegedOpposite words for inner Alternatives for INTERIOR Words (14)insideinternalinnercentralcoreinmostinnermostinwardmiddlewithinhomemidlandnationalupcountryPhrases (2)department of the interiorinterior departmentAbbreviations (1)doiOpposite words for interior Alternatives for INTRINSIC Words (10)essentialinherentinnatebasicconstitutivefundamentalimmanentnativenaturalintrinsicalOpposite words for intrinsic Alternatives for NECESSARY Words (17)essentialrequisitecompulsorycrucialimperativeimportantindispensablemandatoryneededneedfulobligatoryrequiredvitalinevitablenaturalnecessityrequirementOpposite words for necessary