debility Synonyms

infirmity frailty feebleness valetudinarianism frailness peonage prostration puniness senectitude senescence senility serfhood sickliness morbidness languor infirmness invalidism invalidity labefaction languishment manipulability lassitude longevity malady malaise sickness tepidity thralldom old age eyestrain unsoundness anemia betise geriatrics helplessness devitalization overtiredness weakliness unhealthiness ill health tiredness translucency unwellness vulnerability washiness weak weakening weakness weariness powerlessness