[noun] a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality" Synonyms:slack, drop-off, falloff, falling off
[noun] a long-term economic state characterized by unemployment and low prices and low levels of trade and investment Synonyms:depression, economic crisis
[verb] assume a drooping posture or carriage Synonyms:slouch
[verb] fall or sink heavily; "He slumped onto the couch"; "My spirits sank" Synonyms:slide down, sink
[verb] fall heavily or suddenly; decline markedly; "The real estate market fell off" Synonyms:fall off, sink
[verb] go down in value; "the stock market corrected"; "prices slumped" Synonyms:decline, correct