Powerless

Pow´er`less

Destitute of power, force, or energy; weak; impotent; not able to produce any effect.

Adj.

powerless - lacking power

Synonyms: weak

Antonyms:

powerful - having great power or force or potency or effect; "the most powerful government in western Europe"; "his powerful arms"; "a powerful bomb"; "the horse's powerful kick"; "powerful drugs"; "a powerful argument"

anemic, asthenic, bloodless, chicken, cowardly, crippled, debilitated, decrepit, disabled, drooping, droopy, dull, effete, etiolated, faint, faintish, featherweight, feeble, flabby, flaccid, floppy, forceless, gone, gutless, helpless, imbecile, impotent, inactive, incapable, incapacitated, incompetent, ineffective, ineffectual, inefficacious, inert, infirm, languid, languorous, lightweight, limber, limp, listless, lustless, marrowless, nerveless, no-account, of no account, passive, pithless, pooped, rubbery, sapless, sinewless, slack, soft, spineless, strengthless, supine, unable, unauthoritative, unfit, unhardened, unnerved, unstrung, weak, weakly, without any weight