53 Antonyms There are 2 antonyms of the abbr 53. (opposite meanings)Did you mean?Definition of 53Best Opposite Words For 53Top 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1fifty-fournoun, adjectiven, adj2fifty-two Alternatives for FIFTY-FOUR Words (1)fifty-fourAbbreviations (2)54livOpposite words for fifty-four