debility Synonyms

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