unbecome Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to cease to be what one is. Example Sentence Her rude behavior was unbecome of a lady of her stature. More Example Sentences People can unbecome things they do not like. Synonyms transform; change; revert Antonyms remain; stay; persist Hear It! Say It! Write It! unbecome Switch to cursive Start Share with your friends: