Resembling glass in its properties, as in smoothness, brittleness, or transparency; as, a glassy stream; a glassy surface; the glassy deep.

Conditions where there is no wind and the water surface becomes so smooth it resembles glass. We like this

resembling glass in smoothness and shininess and slickness; "the glassy surface of the lake"; "the pavement was...glassy with water"- Willa Cather

Made of glass; vitreous; as, a glassy substance.

(of ceramics) having the surface made shiny and nonporous by fusing a vitreous solution to it; "glazed pottery"; "glassy porcelain"; "hard vitreous china used for plumbing fixtures"

Synonym of vitreous luster.

Dull; wanting life or fire; lackluster; -- said of the eyes.

used of eyes lacking liveliness; "empty eyes"; "a glassy stare"; "his eyes were glazed over with boredom"

Adjective indicating that a material does not have an orderly, repeating, three-dimensional array of atoms.

Very bright.