slump definition

1. a noticeable deterioration in performance or quality
• examples: the team went into a slump
• examples: a gradual slack in output
• examples: a drop-off in attendance
• examples: a falloff in quality
2. assume a drooping posture or carriage
3. fall or sink heavily
• examples: He slumped onto the couch
• examples: My spirits sank
4. fall heavily or suddenly; decline markedly
• examples: The real estate market fell off