NOCTUID Antonyms There are 3 antonyms of the word noctuid. (opposite meanings)Did you mean?Definition of NOCTUIDSynonyms of NOCTUIDBest Opposite Words For NOCTUIDTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1diurnaladjectiveadj2sunlitadjectiveadj3diuturnaladjectiveadj Alternatives for DIURNAL Words (1)circadianOpposite words for diurnal Alternatives for SUNLIT Words (6)beamingbrightilluminatedradiantsunnysunstruckOpposite words for sunlit