Synonyms and related words :
Laodicean, Olympian, abeyant, aloof, ambivert, apathetic, benumbed, blah, blase, bored, calm, careless, cataleptic, catatonic, choleric, cold, comatose, composed, controlled, cool, cycloid, cyclothyme, cyclothymic, dead, debilitated, desensitized, detached, disinterested, distant, dopey, dormant, droopy, drugged, dry, dull, ectomorph, endomorph, enervated, equanimous, even-tempered, exanimate, extrovert, flat, foul, groggy, heartless, heavy, hebetudinous, heedless, hopeless, impassive, imperturbable, in a stupor, in abeyance, in suspense, inactive, inanimate, incurious, indifferent, indolent, inert, insensible, insensitive, insouciant, introvert, jaded, lackadaisical, languid, languorous, latent, leaden, lethargic, lifeless, listless, logy, lumpish, matter-of-fact, melancholic, mesomorph, mindless, moderate, moribund, nonchalant, numb, numbed, passive, philosophical, placid, pluckless, pooped, regardless, resigned, restrained, sanguine, sated, schizoid, schizothyme, sedentary, self-controlled, self-possessed, serene, slack, sleeping, sleepy, slow, sluggish, slumbering, smoldering, somnolent, soporific, spiritless, spunkless, stagnant, stagnating, standing, static, stoic, stoical, stolid, stultified, stupefied, supine, suspended, syntone, tame, temperate, torpid, tranquil, unaffected, unanimated, unaroused, uncaring, unconcerned, undemonstrative, undisturbed, unemotional, unenthusiastic, unfeeling, uninquiring, uninterested, uninvolved, unmindful, unmoved, unperturbed, unresponsive, unruffled, vegetable, vegetative, wan, weary, withdrawn, world-weary