In*firm"i*ty (?), n.; pl. Infirmities (#). [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.

2. A personal frailty or failing; foible; eccentricity; a weakness or defect.

Will you be cured of your infirmity ?

A friend should bear his friend's infirmities.

The house has also its infirmities.

Syn. -- Debility; imbecility; weakness; feebleness; failing; foible; defect; disease; malady. See Debility.

• feebleness and frailty