meaning of infirmity
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.
2. A personal frailty or failing; foible; eccentricity; a weakness or defect.
3. the state of being weak in health or body especially from old age