seventy-three Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. oradjective. the number 73 Example Sentence I have seventy-three books from the library. Synonyms 73; LXXIII; 1 more than 72 Antonyms zero Hear It! Say It! Write It! seventy-three Switch to cursive Start Share with your friends: