Synonyms and related words :
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