DOWN QUARK Antonyms There is 1 antonym of the phrase down quark. (opposite meanings)Did you mean?Definition of DOWN QUARKAlso try opposite words for..downdownsdowneddownerdowningBest Opposite Words For DOWN QUARKTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1up quarknounn