glassy -
(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"
shiny,
glazed having a shiny surface or coating; "glazed fabrics"; "glazed doughnuts"
glassy -
resembling glass in smoothness and shininess and slickness; "the glassy surface of the lake"; "the pavement was...glassy with water"- Willa Cather
smooth lacking obstructions or difficulties; "the bill's path through the legislature was smooth and orderly"
glassy -
(used of eyes) lacking liveliness; "empty eyes"; "a glassy stare"; "his eyes were glazed over with boredom"
glassy -
Absence of any chop on the water, making it smooth like glass. Swell creating breaking waves may still be present, glassy doesn't imply complete flatness.
