The term "un-handsome" typically refers to something that is unattractive or plain. Therefore, antonyms for un-handsome would be words that describe something as beautiful or attractive. Some antonyms for un-handsome might include terms such as "gorgeous," "stunning," "handsome," "striking," or "appealing." These words all imply a sense of physical beauty or elegance. Additionally, antonyms like "charming," "alluring," and "enchanting" suggest a certain level of magnetism, which draws people in. Whether used to describe a person, a place, or an object, antonyms for un-handsome convey a sense of admiration and positive regard.