droop

DROOP, v.i. [L., from the root of drop.]

1. To sink or hang down; to lean downwards, as a body that is weak or languishing. Plants droop for want of moisture; the human body droops in old age or infirmity.

2. To languish from grief or other cause.

3. To fail or sink; to decline; as, the courage or the spirits droop.

4. To faint; to grow weak; to be dispirited; as, the soldiers droop from fatigue.