non-existent Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. 1 not existing; 2 not having existence or being or actuality Example Sentence A good plot was non-existent in the boring book. Synonyms lacking; missing; wanting; absent; not existing Antonyms present; existing Hear It! Say It! Write It! non-existent Switch to cursive Start Share with your friends: