a physical weakness or ailment

the infirmities of age.

quality or state of being infirm; lack of strength.

a moral weakness or failing.

noun

good health , healthiness , robustness , soundness , strength

noun

affliction , ailing , ailment , confinement , debilitation , debility , decay , decrepitude , defect , deficiency , disease , diseasedness , disorder , failing , fault , feebleness , flu , frailty , ill health , imperfection , indisposition , malady , malaise , shortcoming , sickliness , unhealth , unhealthiness , unwellness , vulnerability , complaint , ill , illness , sickness , delicacy , delicateness , flimsiness , fragileness , fragility , frailness , insubstantiality , puniness , unsoundness , unsubstantiality , weakliness , weakness , foible , weak point , ague , condition , flaw