Glassy

The sea was glassy.

As far as the horizon you can see sailing boats gliding calmly and silently across the glassy surface of the lake.

Ziri's eyes were glassy like the eyes of a doll.

Gabriel skipped rocks across the lake's glassy surface.

a resin tabletop with a glassy polish

a fair day on a glassy sea

It was blowing about 15 knots, which is considered fairly glassy for the west Coast.

architecture enamored of glass and steel, where glassier meant classier

Every time there's a major technological outage, […] speculation quickly erupts blaming a possible cyberattack. […] mostly, the sentiment of cyber observers is that it's a bad idea to jump to conclusions, especially publicly. ¶ "If we keep crying wolf, then we lose the ability to educate and solve real problems," Bryson Bort, founder of the cybersecurity company Scythe, told me. "We live in the glassiest house in the world with our reliance on information systems."

the glassy eyes of a person in a trance

Then suddenly she ceased to hear, having caught sight of a glassie rolled into a corner.