verb-intransitive. To hang bending downward; to sink or hang down, as an animal, plant, etc., from physical inability or exhaustion, want of nourishment, or the like.verb-intransitive. To grow weak or faint with disappointment, grief, or like causes; to be dispirited or depressed; to languish.verb-intransitive. To proceed downward, or toward a close; to decline.v. To let droop or sink.n. A drooping.