23RD Antonyms There are 5 antonyms of the abbr 23rd. (opposite meanings)Did you mean?Definition of 23RDSynonyms of 23RDBest Opposite Words For 23RDTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType120thnoun, adjectiven, adj221stadjectiveadj322nd424thnoun, adjectiven, adj525thadjectiveadj