Lacking power.

Roget 643: unimportant; of little account, of small account, of no account, of little importance, of no importance etc. 642; immaterial; unessential, nonessential; indifferent.    subordinate etc. (inferior) 34; mediocre etc. (average) 29; passable, fair, respectable, tolerable, commonplace; uneventful, mere, common; ordinary etc. (habitual) 613; inconsiderable, so-so, insignificant, inappreciable.    trifling, trivial; slight, slender, light, flimsy, frothy, idle; puerile etc. (foolish) 499; airy, shallow; weak etc. 160; powerless etc. 158; frivolous, petty, niggling; piddling, peddling; fribble^†, inane, ridiculous, farcical; finical, finikin^†; fiddle-faddle, fingle-fangle^†, namby-pamby, wishy-washy, milk and water.    poor, paltry, pitiful; contemptible etc. (contempt) 930; sorry, mean, meager, shabby, miserable, wretched, vile, scrubby, scrannel^†, weedy, niggardly, scurvy, putid^†, beggarly, worthless, twopennyhalfpenny, cheap, trashy, catchpenny, gimcrack, trumpery; one-horse [U.S.].    not worth the pains, not worth while, not worth mentioning, not worth speaking of, not worth a thought, not worth a curse, not worth a straw etc. n.; beneath notice, unworthy of notice, beneath regard, unworthy of regard, beneath consideration, unworthy of consideration; de lana caprina [It]; vain etc. (useless) 645.    ... show more

Roget 158: powerless, impotent, unable, incapable, incompetent; inefficient, ineffective; inept; unfit, unfitted; unqualified, disqualified; unendowed; inapt, unapt; crippled, disabled etc. v.; armless^†.    harmless, unarmed, weaponless, defenseless, sine ictu [Lat.], 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 etc. (in difficulty) 704; helpless, unfriended^†, fatherless; without a leg to stand on, hors de combat [Fr.], laid on the shelf.    null and void, nugatory, inoperative, good for nothing; ineffectual etc. (failing) 732; inadequate etc. 640; inefficacious etc. (useless) 645.    ... show more

Roget 160: weak, feeble, debile^†; impotent etc. 158; relaxed, unnerved, etc. v.; 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 etc. v.. broken, lame, withered, shattered, shaken, crazy, shaky; palsied etc. 158; decrepit.    languid, poor, infirm; faint, faintish^†; sickly etc. (disease) 655; 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 etc. 159^†, unsupported, unaided, unassisted; aidless^†, defenseless etc. 158; cantilevered (support) 215.    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 etc. 429.    ... show more

Roget 175a: uninfluential^†, ineffective; inconsequential, nugatory; unconducing, unconducive, unconducting to^†; powerless etc. 158; irrelevant etc. 10.   

Dutch: machteloos