THESAURUS
Impotent
acarpous, aimless, anemic, arid, asexual, asthenic, barren, blank cartridge, bloodless, careless, castrated, castrato, celibate, chicken, childless, cold, cowardly, crippled, debilitated, desert, desolate, disabled, drained, dried-up, drooping, droopy, dry, dud, dull, easy, easygoing, effete, emasculate, emasculated, enervated, enfeebled, etiolated, eunuch, eunuchized, exhausted, faint, faintish, fallow, featherweight, feckless, feeble, flabby, flaccid, floppy, forceless, frail, frigid, fruitless, frustrated, gaunt, gelded, gelding, gone, gutless, helpless, imbecile, imprecise, inadequate, incompetent, indifferent, ineffective, ineffectual, inefficacious, inept, infecund, infertile, infirm, invalid, invertebrate, issueless, jejune, languid, languorous, lax, leached, lenient, lightweight, limber, limp, listless, loose, lustless, marrowless, meaningless, menopausal, negligent, nerveless, neuter, neutral, no go, no-account, nonfertile, nonproducing, nonproductive, nonprolific, of no account, of no use, overindulgent, overpermissive, permissive, pithless, pointless, pooped, powerless, purposeless, relaxed, remiss, rubbery, sapless, sexless, sine prole, sinewless, slack, slipshod, sloppy, soft, spineless, sterile, strengthless, sucked dry, superfluous, teemless, unauthoritative, unavailing, uncultivated, unfertile, unfruitful, unhardened, unnerved, unplowed, unproductive, unprolific, unrestrained, unsexed, unsexual, unsown, unstrung, untilled, useless, virgin, waste, wasted, weak, weakling, weakly, without any weight, without issue
ROGET THESAURUS
Impotent
Impotence
N
impotence, inability, disability, disablement, impuissance, imbecility, incapacity, incapability, inaptitude, ineptitude, incompetence, unproductivity, indocility, invalidity, disqualification, inefficiency, wastefulness, telum imbelle, brutum fulmen, blank, blank cartridge, flash in the pan, vox et proeterea nihil, dead letter, bit of waste paper, dummy, paper tiger, Quaker gun, inefficacy, failure, helplessness, prostration, paralysis, palsy, apoplexy, syncope, sideration, deliquium, collapse, exhaustion, softening of the brain, inanition, emasculation, orchiotomy, orchotomy, cripple, old woman, muff, powder puff, creampuff, pussycat, wimp, mollycoddle, eunuch, powerless, impotent, unable, incapable, incompetent, inefficient, ineffective, inept, unfit, unfitted, unqualified, disqualified, unendowed, inapt, unapt, crippled, disabled, armless, harmless, unarmed, weaponless, defenseless, sine ictu, unfortified, indefensible, vincible, pregnable, untenable, paralytic, paralyzed, palsied, imbecile, nerveless, sinewless, marrowless, pithless, lustless, emasculate, disjointed, out of joint, out of gear, unnerved, unhinged, water-logged, on one's beam ends, rudderless, laid on one's back, done up, dead beat, exhausted, shattered, demoralized, graveled, helpless, unfriended, fatherless, without a leg to stand on, hors de combat, laid on the shelf, null and void, nugatory, inoperative, good for nothing, ineffectual, inadequate, inefficacious, der kranke Mann, desirous still but impotent to rise, the spirit is willing but the flesh is weak.
Weakness
N
weakness, debility, atony, relaxation, languor, enervation, impotence, infirmity, effeminacy, feminality, fragility, flaccidity, inactivity, anaemia, bloodlessness, deficiency of blood, poverty of blood, declension of strength, loss of strength, failure of strength, delicacy, invalidation, decrepitude, asthenia, adynamy, cachexy, cachexia, sprain, strain, reed, thread, rope of sand, house of cards, softling, weakling, infant, youth, weak, feeble, debile, impotent, relaxed, unnerved sapless, strengthless, powerless, weakly, unstrung, flaccid, adynamic, asthenic, nervous, soft, effeminate, feminate, womanly, frail, fragile, shattery, flimsy, unsubstantial, insubstantial, gimcrack, gingerbread, rickety, creaky, creaking, cranky, craichy, drooping, tottering, broken, lame, withered, shattered, shaken, crazy, shaky, palsied, decrepit, languid, poor, infirm, faint, faintish, sickly, dull, slack, evanid, spent, short-winded, effete, weather-beaten, decayed, rotten, worn, seedy, languishing, wasted, washy, laid low, pulled down, the worse for wear, unstrengthened, unsupported, unaided, unassisted, aidless, defenseless, cantilevered (support), on its last legs, weak as a child, weak as a baby, weak as a chicken, weak as a cat, weak as a rat, weak as water, weak as water gruel, weak as gingerbread, weak as milk and water, colorless, non sum qualis eram.