misbehaves Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to act or behave badly Example Sentence Mom says we shouldn't paddle the dog if he misbehaves. Synonyms behave wrongly; behave inappropriately; misdeed Antonyms behave Hear It! Say It! Write It! misbehaves Switch to cursive Start Share with your friends: