droop

Noun

• a shape that sags
  • there was a sag in the chair seat
    

Verb

• become limp
  • The flowers wilted
    

• hang loosely or laxly
  • His tongue lolled
    

• droop, sink, or settle from or as if from pressure or loss of tautness

Related words

• Synonyms: 
  sag , wilt , loll , swag , flag