Synonyms and related words :
Laodicean, Olympian, affectless, aloof, anesthetized, apathetic, arctic, autistic, benumbed, blah, blase, blunt, bowed-down, bowelless, brazen, brutal, callous, calloused, case-hardened, cast down, catatonic, chill, chilly, cold, cold as charity, cold of heart, cold-blooded, coldblooded, coldhearted, comatose, conscienceless, cool, cruel, dashed, dejected, depressed, desensitized, despairing, despondent, desponding, detached, discouraged, disheartened, disinterested, dispassionate, dispirited, dog-eat-dog, down, downcast, downhearted, drooping, droopy, drugged, dull, emotionally dead, emotionless, feeling low, flinthearted, flinty, frigid, frosted, frosty, frozen, gritless, gutless, hard, hard of heart, hard-boiled, hardened, hardhearted, harsh, hebetudinous, hopeless, hypochondriac, hypochondriacal, icy, immovable, impassible, impassive, in a stupor, in low spirits, in the depths, in the doldrums, in the dumps, inclement, indifferent, indurated, inexcitable, inexorable, inhuman, inhumane, insensitive, insouciant, insusceptible, inured, languid, languishing, lethargic, listless, lost to shame, low, low-spirited, merciless, nonchalant, nonemotional, numb, numbed, obdurate, objective, obtuse, out of touch, passionless, passive, pessimistic, phlegmatic, pining, pitiless, pluckless, relentless, remorseless, resigned, ruthless, seared, self-absorbed, shameless, slack, sluggish, soporific, soulless, spiritless, spunkless, stoic, stonyhearted, stupefied, subdued, suicidal, supine, torpid, unaffectionate, unblushing, uncaring, uncompassionate, uncompassioned, unconcerned, uncourageous, undaring, unemotional, unfeeling, unforgiving, ungallant, unheroic, unimpassioned, unimpressionable, uninterested, unintrepid, unkind, unloving, unmerciful, unnatural, unpassionate, unpitiful, unpitying, unremorseful, unresponding, unresponsive, unsoldierlike, unsoldierly, unsusceptible, unsympathetic, unsympathizing, untouchable, unvaliant, unvalorous, unyielding, weary of life, withdrawn, without mercy, woebegone, world-weary