What is the meaning of drooping?

verb

• Droop, sink, or settle from or as if from pressure or loss of tautness.
  • synonyms: sag, droop, swag, flag
• Hang loosely or laxly.
  • usage: "His tongue lolled"
  • synonyms: droop, loll
• Become limp.
  • usage: "The flowers wilted"
  • synonyms: wilt, droop

adjective

• Weak from exhaustion.
  • synonyms: flagging
• Hanging down (as from exhaustion or weakness.
  • synonyms: droopy, sagging
• Having branches or flower heads that bend downward.
  • usage: "nodding daffodils"; "the pendulous branches of a weeping willow"; "lilacs with drooping panicles of fragrant flowers"
  • synonyms: cernuous, nodding, pendulous, weeping