INTRON Antonyms There are 3 antonyms of the word intron. (opposite meanings)Did you mean?Definition of INTRONAlso try opposite words for..intronsBest Opposite Words For INTRONTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1exonnounn2geneverb, nounv, n3mrnanounn Alternatives for GENE Words (2)cistronfactorOpposite words for gene