decrepit

adjective

1. weakened by old age; feeble; infirm: a decrepit man who can hardly walk.
2. worn out by long use; dilapidated: a decrepit stove.

adjective

1. enfeebled by old age; infirm
2. broken down or worn out by hard or long use; dilapidated

adj.

mid-15c., from Middle French décrépit (15c.), from Latin decrepitus “very old, infirm,” from de- “down” (see de-) + *crepitus, past participle of crepare “to crack, break.”