Synonyms of impotent

1 Syllable
dud, frail, weak
2 Syllables
pointless, wornout, crippled, feeblest, feebler, inept, barren, gutless, pithless, uncool, chaster, inert, feeble, junker, chastest, strengthless, helpless, infirm
3 Syllables
passionless, infecund, acarpous, prostrate, sterile, niggardly, unbearing, forceless, effete, basket-case, faint-hearted, spineless, unloving, nerveless, castrated, unmanned, unfruitful, desexed, unable, slack-spined, enfeebled, impuissant, virginal, powerless
4 Syllables
inproficient, unequipped, paralyzed, out-of-action, unreactive, nongermane, uncreative, sanitized, unprolific, unfertile, infertile, incompetent, enervated, ineffectual, incapable, sidelined, monogamous, defeasible
5 Syllables
invertebrate, uninventive, anticlimactic, nonproductive, inadequate, uncultivable, amoebalike, unproductive, ineffective, disenfranchised, inefficacious
6 Syllables
incapacitated