Impotent1. (a.) Not potent; lacking power, strength, or vigor, whether physical, intellectual, or moral; deficient in capacity; destitute of force; weak; feeble; infirm.
2. (a.) Wanting the power of self-restraint; uncontrolled; ungovernable; violent.
3. (a.) Wanting the power of procreation; unable to copulate; also, sometimes, sterile; barren.
4. (n.) One who is impotent.
Thesaurus Entries
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