grown-up Get Printable Handwriting Watch Say It Video Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. an adult person who is fully developed. Example Sentence Today she looks all grown-up. Spelled with a hyphen. More Example Sentences She wants to be a grown-up someday. Synonyms adult; mature; full-grown Antonyms child; kid; youth Hear It! Say It! Write It! grown-up Switch to cursive Start Share with your friends: Watch Say It Video
