An "article of clothing" refers to any clothing item worn by a person. There are several synonyms for the word "article of clothing" which can be used depending on the context. Some of the common synonyms include garment, attire, outfit, clothing, apparel, dress, and vestment. These synonyms can be used to refer to anything from a small accessory like gloves or socks, to a major item like a coat or a dress. Furthermore, they can be used to describe formal or informal clothing depending on their usage. Therefore, having a good understanding of these synonyms can help in conveying the right message while communicating in written or spoken language.