droop droop /ˈdruːp/

noun

1. A shape that sags  ( droop , sag )
   a shape that sags
    There was a sag in the chair seat
   there was a sag in the chair seat
   

verb

1. () Droop, sink, or settle from or as if from pressure or loss of tautness  ( flag , swag , droop , sag )
   droop, sink, or settle from or as if from pressure or loss of tautness
   
2. Become limp  ( droop , wilt )
   become limp
    The flowers wilted
   The flowers wilted
   
3. Hang loosely or laxly  ( droop , loll )
   hang loosely or laxly
    His tongue lolled
   His tongue lolled