|Origin:||Probably from a Scandinavian language|
to fall or lean against something because you are not strong enough to stand
slump against/over/back etc
She slumped against the wall.
Carol slumped back in her chair, defeated.
Ben staggered and slumped onto the floor.
to suddenly go down in price, value, or number [≠ soar]:
Sales slumped by 20% last year.
The currency slumped to a record low.
3 also be slumped
if your shoulders or head slump or are slumped, they bend forward because you are unhappy, tired, or unconscious:
Her shoulders slumped and her eyes filled with tears.