Definitions
1.nounA heavy or helpless collapse; a slouching or drooping posture; a period of poor activity or performance, especially an extended period.
2.nounA measure of the fluidity of freshly mixed concrete, based on how much the concrete formed in a standard slump cone sags when the cone is removed.
3.nounA boggy place.
4.nounThe noise made by anything falling into a hole, or into a soft, miry place.
5.nounThe gross amount; the mass; the lump.
6.verbTo collapse heavily or helplessly."Exhausted, he slumped down onto the sofa."
7.verbTo decline or fall off in activity or performance."Real estate prices slumped during the recession."
8.verbTo slouch or droop.
9.verbTo lump; to throw together messily.
10.verbTo fall or sink suddenly through or in, when walking on a surface, as on thawing snow or ice, a bog, etc.
11.verb(slang) To cause to collapse; to hit hard; to render unsconscious; to kill.