Sheeny is a term used to describe something that has a lustrous, shiny, or polished appearance. There are various synonyms for the word sheenier, including glossy, shiny, luminous, sleek, gleaming, polished, reflective, radiant, glassy, and smooth. These words can be used to describe a range of objects such as cars, jewelry, furniture, and even hairstyles. Sheenier is often used to describe the smoothness of a surface or the reflectivity of a material, and with these synonyms, one can easily describe just how shiny or glossy something really is. Whether you're trying to describe the shine of a new car or the shine in someone's hair, these words are a great alternative to sheenier.