INFIRMITY n. 2 definitions
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.
BROKEN a.
Made infirm or weak, by disease, age, or hardships. The one being who remembered him as he been before his mind was broken. G. Eliot. The broken soldier, kindly bade to stay, Sat by his fire, and talked the night away. Goldsmith.