Synonyms of powerless

1 Syllable

wimp, null, blank, tied, frail, weak

2 Syllables

pointless, weakest, softie, chicken, wornout, feeblest, feebler, gutless, subject, uncool, inert, feeble, nuller, strengthless, helpless, harmless, unfit, weaker, infirm

3 Syllables

unarmed, dependent, impotent, prostrate, weaponless, forceless, basket-case, diplegic, impuissant, passive, supine, pussycat, disabled, unable, slack-spined

4 Syllables

inproficient, unprotected, unequipped, paper-tiger, paraplegic, defenseless, epicene, paralyzed, out-of-action, nongermane, unreactive, etiolated, vulnerable, quadriplegic, unsanctioned, wishy-washy, ineffectual, incapable, sidelined, paralytic, defeasible

5 Syllables

invertebrate, out-of-commission, anticlimactic, unoffensive, ineffective, disenfranchised, debilitated, inefficacious

6 Syllables

incapacitated