Polished metal is a shiny surface that can be stunning on anything from home decor to car rims. There are several different synonyms you can use to describe polished metal, including lustrous, shiny, gleaming, brilliant, glistening, and sparkling. Some other related terms to use might include mirror-like, reflective, glossy, or polished to a high shine. When you're trying to find the right words to describe a metal surface that's been polished to perfection, it's important to think about the different aspects of the material that stand out - the way it catches the light, the smooth texture, and the way it reflects its surroundings.