What does "droop" mean?

Droop: To grow weak or faint with disappointment, grief, or like causes; to be dispirited or depressed; to languish; as, her spirits drooped. I'll animate the soldier's drooping courage. Addison.

Additional senses

  1. 2.To proceed downward, or toward a close; to decline. "Then day drooped." Tennyson.
  2. 3.To let droop or sink. [R.] M. Arnold. Like to a withered vine That droops his sapless branches to the ground. Shak.
  3. 4.A drooping; as, a droop of the eye.

Sources