- adj1. weak, frail, fragile, delicate, slight, puny, Pathol. asthenic, anemic; weakly, sickly, not strong, unhealthy, Scot. shilpit, ailing; infirm, unsteady, Inf. dotty, shaky, trembling, tottering, doddering; impotent, powerless, impuissant, helpless; decrepit, old, senile, invalid, unsound, weakened, enfeebled, debilitated; enervated, enervate, languid, languishing, drooping, fading, failing, declining, dying.2. feeble-minded, weak-minded, simple, simple-minded. See feeble-minded3. low, soft, gentle, dulcet, whispered, muted, stifled, muffled, inaudible, imperceptible; weak, thin, tiny, small, faltering, trembling; faint, dim, pale, dull, faded, distant, obscure, far-away; indistinct, unclear, blurred, blurry, vague, nebulous, hazy, misty, misted, foggy, fogged.4. ineffective, ineffectual, unavailing, futile, useless, hopeless; feckless, incompetent, inefficient, poor, unsatisfactory, half-baked, Sl. half-assed; lame, insufficient, inadequate, unconvincing, flimsy; wishy-washy, thin, weak, watery, watered-down; lax, loose, careless, slipshod, shoddy, sloppy; miserable, Inf. lousy, meager, mere, paltry, insignificant, unimportant, Archaic. seely.
A Note on the Style of the synonym finder. 2014.