BLACKFISH Antonyms There are 3 antonyms of the word blackfish. (opposite meanings)Did you mean?Definition of BLACKFISHSynonyms of BLACKFISHBest Opposite Words For BLACKFISHTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1dolphinnounn2porpoisenounn3whalenounn Alternatives for DOLPHIN Words (2)dolphinfishmahimahiOpposite words for dolphin Alternatives for PORPOISE Words (1)garfishOpposite words for porpoise Alternatives for WHALE Words (7)giantcetaceanhumpbackleviathanorcaheavyweighthulkOpposite words for whale