THESAURUS
debilitated
anemic, anile, apathetic, asthenic, benumbed, blase, bloodless, bored, cachectic, castrated, chicken, cowardly, crabbed, dead, decrepit, demasculinized, devitalized, doddered, doddering, doddery, dopey, dormant, drained, drooping, droopy, drugged, dull, effeminized, effete, emasculate, emasculated, enervated, enfeebled, etiolated, eunuchized, exanimate, exhausted, fagged, failing, faint, fainting, faintish, fatigued, feeble, feeling faint, flabby, flaccid, flagging, floppy, footsore, fossilized, frail, frazzled, gelded, gerontal, gerontic, gone, good and tired, gutless, healthless, heavy, hebetudinous, imbecile, impotent, in poor health, inanimate, inert, infirm, invalid, jaded, lackadaisical, languid, languishing, languorous, leaden, lethargic, lifeless, limber, limp, listless, lumpish, lustless, marrowless, moribund, mossbacked, moth-eaten, mummylike, nerveless, numb, pale, palsied, papery-skinned, peaked, peaky, phlegmatic, pithless, pooped, powerless, ravaged with age, ready to drop, reduced, reduced in health, rickety, rubbery, run ragged, run to seed, run-down, rusty, sagging, sapless, sated, seedy, senile, shaky, shriveled, sickly, sinewless, slack, sleepy, slow, sluggish, soft, somnolent, spineless, stagnant, stagnating, strengthless, stricken in years, stultified, supine, timeworn, tired, tired-winged, toilworn, torpid, tottering, tottery, unhardened, unhealthy, unmanned, unnerved, unrefreshed, unrestored, unsexed, unsound, unstrung, valetudinarian, valetudinary, vegetable, vegetative, wan, way-weary, wayworn, weak, weakened, weakly, wearied, weariful, weary, weary-footed, weary-laden, weary-winged, weary-worn, wilting, with low resistance, withered, wizened, world-weary, worn, worn-down