Synonyms and related words :
affectless, anesthetized, arctic, autistic, blunt, callous, calloused, catatonic, chill, chilly, closed to, cold, cold as charity, cold of heart, cold-blooded, coldblooded, coldhearted, cool, dispassionate, drugged, dull, emotionally dead, emotionless, flinthearted, frigid, frosted, frosty, frozen, hard, hard of heart, hardened, hardhearted, heartless, icy, immovable, impassible, impassive, impersuadable, impersuasible, impervious, inexcitable, inflexible, inhibited, insensitive, insentient, insusceptible, nonemotional, obdurate, objective, obstinate, obtuse, out of touch, passionless, self-absorbed, soulless, spiritless, stonyhearted, unaffectionate, unamenable, undersexed, unemotional, unfeeling, unimpassioned, unimpressible, unimpressionable, uninfluenceable, unloving, unmerciful, unmovable, unnatural, unpassionate, unpersuadable, unpliable, unreceptive, unresponding, unsuggestible, unsusceptible, unswayable, unsympathetic, untouchable, unyielding