The Oxford Thesaurus An A-Z Dictionary of Synonyms - icy adj.

1) ice-cold, frigid, arctic, bitter, glacial, freezing, frozen, chill, glacial, hyperborean or hyperboreal, polar, Siberian, wintry, raw, cold, chilling, chilly: The icy wind cut through to the marrow of my bones. 2) cool, chill, chilly, frigid, distant, aloof, remote, freezing, ice-cold, unemotional, unimpassioned, stony, steely, callous, flinty, formal, reserved, forbidding, unfriendly, hostile: She fixed him with an icy stare.