Synonyms and related words :
absolute zero, acuteness, algidity, animality, astringency, atrocity, austerity, barbarity, bitterness, bleakness, bloodlust, briskness, brutality, chill, chilliness, cold, coldness, cool, coolness, coolth, crispness, cruelty, cryogenics, cryology, decrease in temperature, destructiveness, extremity, ferociousness, fierceness, flintiness, force, freezing point, freshness, frigidity, frostiness, furiousness, gelidity, grimness, hardness, harshness, heartlessness, iciness, impetuosity, inexorableness, inhumanity, intense cold, intensity, keenness, low temperature, malignity, mercilessness, mindlessness, murderousness, nip, nippiness, pitilessness, rawness, relentlessness, remorselessness, rigor, roughness, ruthlessness, savagery, severity, sharp air, sharpness, short shrift, sternness, stringency, tender mercies, terrorism, uncompassionateness, unfeelingness, unforgivingness, ungentleness, unmercifulness, unremorsefulness, unsympatheticness, unyieldingness, vandalism, vehemence, venom, viciousness, violence, virulence