unbecome Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to lose attractiveness or suitability. Example Sentence Her rude behavior was unbecome of a lady of her stature. Synonyms degrade; dishonor; disgrace Antonyms honor; dignify Hear It! Say It! Write It! unbecome Switch to cursive Start Share with your friends: