algid, arctic, bitter, bone-chilling, chill, chilly, cold, coldish, cool, coolish, freezing, frigid, frosty, gelid, glacial, icy, nipping, nippy, numbing, polar, shivery, snappy, wintry (also wintery)ardent, blazing, boiling, broiling, burning, fervent, fervid, fiery, glowing, hot, igneous, molten, piping hot, red-hot, roasting, scalding, scorching, searing, seething, sizzling, sultry, sweltering, torrid, ultrahot, warming, white-hot