DUMBHEADS Antonyms There are 2 antonyms of the word dumbheads. (opposite meanings)Did you mean?Definition of DUMBHEADSAlso try opposite words for..dumblydumberdumbestdumbheaddumbnessBest Opposite Words For DUMBHEADSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1brainiacsnounn2geniusesnounn Alternatives for BRAINIACS Words (6)geniusbraineinsteinmastermindpedantwiseguyOpposite words for brainiacs