Glass is a versatile material used for numerous applications, from windows to mirrors and drinkware. However, if you're looking for synonyms for this commonly-used word, you may consider some alternatives. Some of the most popular synonyms for "glass" include crystal, crystalware, mirror, pane, glaze, and vitreous. Crystal is often used to describe high-quality glassware or decorative pieces. Crystalware is a term used to describe glasses and dishes made of crystal. Mirror, pane, and glaze are used to describe different types of glass surfaces. Finally, vitreous is a term used to describe glass materials with a glass-like texture, such as ceramics or minerals that mimic the look of glass.