Siberian, aguey, aguish, arctic, below zero, biting, bitter, bitterly cold, bleak, blue with cold, boreal, brisk, brumal, chattering, chilly, cold, cold as charity, cold as death, cold as ice, cold as marble, cool, crisp, cutting, dithery, freezing, freezing cold, frigid, frozen, frozen to death, gelid, glacial, half-frozen, hibernal, hiemal, hyperborean, ice-cold, ice-encrusted, icelike, icy, inclement, keen, nipping, nippy, numbing, penetrating, piercing, pinching, raw, rigorous, severe, shaky, sharp, shivering, shivery, sleety, slushy, snappy, stone-cold, subzero, supercooled, winterbound, winterlike, wintery, wintry, with chattering teeth