1. Resembling glass in smoothness and shininess and slickness
   "the glassy surface of the lake"; "the pavement was … glassy with water"
    
2. (used of eyes) lacking liveliness
   "a glassy stare";
   - glazed
    
3. (of ceramics) having the surface made shiny and nonporous by fusing a vitreous solution to it
   "glassy porcelain";
   - vitreous, vitrified

Derived forms: glassier, glassiest

See also: empty, glazed, shiny, smooth

Encyclopedia: Glassy