66 Moby Thesaurus words for "cold blooded":
   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