The antonyms for the word "un-buttoned" include words such as buttoned, fastened, secured, closed, and tight. These words refer to clothing items that are properly fastened and tight on the body. When an article of clothing is buttoned or secured, it provides a sleek and polished appearance to the wearer. Additionally, when clothing is tight, it provides a sense of comfort and confidence to the person. Being buttoned or fastened is also important for safety purposes, such as ensuring a work uniform is properly secured around machinery or while operating equipment.