INFIRMITY
infirmity, frailty, debility, feebleness, frailness, valetudinarianism
(noun) the state of being weak in health or body (especially from old age)
Source: WordNet® 3.1
Noun
infirmity (countable and uncountable, plural infirmities)
feebleness, frailty or ailment, especially due to old age.
a moral weakness or defect
Source: Wiktionary
In*firm"i*ty, n.; pl. Infirmities. Etym: [L. infirmitas : cf. F.
infirmite. See Infirm, a.]
1. The state of being infirm; feebleness; an imperfection or
weakness; esp., an unsound, unhealthy, or debilitated state; a
disease; a malady; as, infirmity of body or mind.
'T is the infirmity of his age. Shak.
2. A personal frailty or failing; foible; eccentricity; a weakness or
defect.
Will you be cured of your infirmity Shak.
A friend should bear his friend's infirmities. Shak.
The house has also its infirmities. Evelyn.
Syn.
– Debility; imbecility; weakness; feebleness; failing; foible;
defect; disease; malady. See Debility.
Source: Webster’s Unabridged Dictionary 1913 Edition