1. (v. i.) 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.

2. (v. i.) To grow weak or faint with disappointment, grief, or like causes; to be dispirited or depressed; to languish; as, her spirits drooped.

3. (v. i.) To proceed downward, or toward a close; to decline.

4. (v. t.) To let droop or sink.

5. (n.) A drooping; as, a droop of the eye.

amble bad bag become suicidal blow blue break break down burn out cadence cascade cast down catenary cave cave in collapse come apart come unstuck conk out couch crack up crumble daggle dangle decline decurrence dejected demit depend depress depressed desiccate despair despond deteriorate diminish disintegrate dispirited doleful down downhearted drabble drag draggle drape droopy drop dry up dwindle fade fade away fail faint fall fatigue fizzle out flag flap flop flop down flounce flow flump flump down founder gait gallop gasp get tired give out give way go down go downhill go soft go to pieces grow weary hang hang down hit rock bottom hit the skids hitch hobble jade jog languish lapse let down limp lock step loll lollop lop lose heart lose strength lower lowering lurch mince mincing steps nod pace paddle pant peak peg out pend peter out piaffer pine play out plop plop down plumb the depths plump poop out prance puff puff and blow rack reach the depths roll run down run out sag saunter scuttle sear set settle shrink shrivel shuffle sidle single-foot sink sink down sinkage sling slink slither slouch slowness slump slump down stagger stalk step stride stroll strolling gait strut submerge submergence subside subsidence succumb suspend swag swagger swing tire toddle totter touch bottom trail tread trollop trot velocity waddle walk waste waste away weaken wear away wear thin weary weep wheeze wilt wither wither away wizen yield