n. | 1. | The state of being infirm; feebleness; an imperfection or weakness; esp., an unsound, unhealthy, or debilitated state; a disease; a malady; |
2. | A personal frailty or failing; foible; eccentricity; a weakness or defect. |
Noun | 1. | infirmity - the state of being weak in health or body (especially from old age) |