SUPPOSITIOUS Antonyms There are 6 antonyms of the word suppositious. (opposite meanings)Did you mean?Definition of SUPPOSITIOUSSynonyms of SUPPOSITIOUSAlso try opposite words for..supposesupposedsupposingsuppositionBest Opposite Words For SUPPOSITIOUSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1actualadjectiveadj2authenticadjectiveadj3genuineadjectiveadj4realadjectiveadj5trueadjectiveadj6verifiedverb, noun, adjectivev, n, adj Alternatives for ACTUAL Words (11)realfactualgenuineauthenticconcretetrueveritablepresentexistentliteralpositiveOpposite words for actual Alternatives for AUTHENTIC Words (12)reliablegenuinerealtrustworthylegitimateoriginaltruevalidcredibleunquestionableveritableunfakedPhrases (1)bona fideOpposite words for authentic Alternatives for GENUINE Words (12)realtrueactualauthentichonestlegitimateoriginalsincereechtliteralnaturalunfeignedPhrases (1)bona fideOpposite words for genuine Alternatives for REAL Words (22)actualgenuineauthenticmaterialsubstantialtangibletrueconcretehonestphysicalsinceresolidvalidveritableexistentheartfeltliteralrattlingreallyveridicalveryreiPhrases (2)bona fidereal numberOpposite words for real Alternatives for TRUE Words (20)genuinehonesttruthfulaccurateauthenticexactfaithfulpreciserealsincereadmittedlyavowedlyconfessedlydependablelawfulon-keyreliablerightfulstraightunfeignedPhrases (2)dead on targettrue upOpposite words for true Alternatives for VERIFIED Words (16)attestedauthenticatedcertifiedconfirmedprovedvalidatedcorroboratedendorsedsubstantiatedaffirmassertaveravowcontrolswanswearOpposite words for verified