WordWeb Online

1. Devoid of warmth and cordiality; expressive of unfriendliness or disdain
   "icy stare";
   - frigid, frosty, frozen, glacial, wintry
    
2. Extremely cold
   "icy hands";
   - arctic, frigid, gelid, glacial, polar
    
3. Covered with, containing or consisting of ice
   "icy northern waters"
    
4. Shiny and slick as with a thin coating of ice
   "roads and trees glazed with an icy film"

Derived forms: icier, iciest

See also: cold, frozen, glazed, shiny

Encyclopedia: Icy