1.Definition: covered with or containing or consisting of ice

"Icy northern waters"

2.Definition: devoid of warmth and cordiality; expressive of unfriendliness or disdain

"Icy stare"

Related Adjective(s):frigid, frosty, frozen, glacial, wintry

3.Definition: extremely cold

"Icy hands"

Related Adjective(s):arctic, frigid, gelid, glacial, polar

4.Definition: shiny and slick as with a thin coating of ice

"Roads and trees glazed with an icy film"