MENDACIOUS Antonyms There are 8 antonyms of the word mendacious. (opposite meanings)Did you mean?Definition of MENDACIOUSSynonyms of MENDACIOUSAlso try opposite words for..mendacitymendaciouslymendaciousnessBest Opposite Words For MENDACIOUSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1genuineadjectiveadj2honestadjectiveadj3reliableadjectiveadj4sincereadjectiveadj5truthfuladjectiveadj6uprightadverb, adjectiveadv, adj7veraciousadjectiveadj8bona fideadjectiveadj Alternatives for GENUINE Words (12)realtrueactualauthentichonestlegitimateoriginalsincereechtliteralnaturalunfeignedPhrases (1)bona fideOpposite words for genuine Alternatives for HONEST Words (20)honorablereliablecandidethicalforthrightfrankgenuinejustmoralopenprincipledscrupuloussinceretrustworthytruthfuluprightdependablefairgoodtrueOpposite words for honest Alternatives for RELIABLE Words (13)dependablehonesttrustworthycrediblefaithfulloyalresponsiblesolidsteadfastauthenticsecuretruetrustyOpposite words for reliable Alternatives for SINCERE Words (14)earnestauthenticcandiddevotedfrankgenuineheartfelthonestloyalserioustruetrustworthywholeheartedsolemnPhrases (1)bona fideOpposite words for sincere Alternatives for TRUTHFUL Words (11)candidcrediblefaithfulgenuinehonestreliablesinceretrustworthyunfeignedveracioustrueOpposite words for truthful Alternatives for UPRIGHT Words (11)verticalperpendicularplumbrigidstandingstiffstraighttallgoodjustunslopedPhrases (1)upright pianoOpposite words for upright Alternatives for VERACIOUS Words (10)accurateauthenticdependablefactualgenuinehonestreliablesinceretruthfulrightOpposite words for veracious