ONYMOUS Antonyms There are 2 antonyms of the word onymous. (opposite meanings)Did you mean?Definition of ONYMOUSAlso try opposite words for..anonymizeanonymizedanonymizesanonymitiesanonymizingBest Opposite Words For ONYMOUSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1anonymousadjectiveadj2namelessadjectiveadj Alternatives for ANONYMOUS Words (9)namelessunidentifiedunknownincognitounacknowledgedundiscloseduncreditedfacelessunnamedAbbreviations (1)anon.Opposite words for anonymous Alternatives for NAMELESS Words (10)unidentifiedunknownunnamedanonymousfacelessincognitounacknowledgedunidentifiableunspecifieduncreditedOpposite words for nameless