Synonyms and related words :
affectless, anesthetized, arctic, autistic, blunt, callous, calloused, catatonic, chill, chilly, cold, cold as charity, cold of heart, coldblooded, coldhearted, cool, cryogenic, cryological, dispassionate, drugged, dull, emotionally dead, emotionless, flinthearted, frigid, frosted, frosty, frozen, hard, hard of heart, hardened, hardhearted, heartless, heterothermic, icy, immovable, impassible, impassive, inexcitable, insensitive, insusceptible, nonemotional, obdurate, objective, obtuse, out of touch, passionless, poikilothermic, self-absorbed, soulless, spiritless, stonyhearted, unaffectionate, unemotional, unfeeling, unimpassioned, unimpressionable, unloving, unmerciful, unnatural, unpassionate, unresponding, unresponsive, unsusceptible, unsympathetic, untouchable,