Quick definitions from WordNet (icy)
▸ adjective: covered with or containing or consisting of ice ("Icy northern waters")
▸ adjective: shiny and slick as with a thin coating of ice ("Roads and trees glazed with an icy film")
▸ adjective: extremely cold ("Icy hands")
▸ adjective: devoid of warmth and cordiality; expressive of unfriendliness or disdain ("Icy stare")
▸ Also see icy
▸ adjective: covered with or containing or consisting of ice ("Icy northern waters")
▸ adjective: shiny and slick as with a thin coating of ice ("Roads and trees glazed with an icy film")
▸ adjective: extremely cold ("Icy hands")
▸ adjective: devoid of warmth and cordiality; expressive of unfriendliness or disdain ("Icy stare")
▸ Also see icy