BUCKEYE Antonyms There are 5 antonyms of the word buckeye. (opposite meanings)Did you mean?Definition of BUCKEYEBest Opposite Words For BUCKEYETop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1acornnounn2chestnutnounn3hickorynounn4pecannounn5walnutnounn Alternatives for ACORN Words (3)mastnutseedOpposite words for acorn Alternatives for CHESTNUT Words (7)auburnbaybrownbrunettecopperhazelreddishPhrases (1)chestnut treeOpposite words for chestnut