Dictionary definition · slump
noun
- a noticeable deterioration in performance or quality"the team went into a slump"
- a long-term economic state characterized by unemployment and low prices and low levels of trade and investment
verb
- assume a drooping posture or carriage
- fall or sink heavily"He slumped onto the couch"
- fall heavily or suddenly; decline markedly"The real estate market fell off"
- fall in value"the stock market corrected"
Source: Open English WordNet (CC BY 4.0).