This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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verb-intransitive. To fall or sink heavily; collapse: She slumped, exhausted, onto the sofa.

verb-intransitive. To droop, as in sitting or standing; slouch.

verb-intransitive. To decline suddenly; fall off: Business slumped after the holidays.

verb-intransitive. To perform poorly or inadequately: The team has been slumping for a month.

verb-intransitive. To sink or settle, as into mud or slush.

verb-intransitive. To slide down or spread out thickly, as mud or fresh concrete.

n. The act or an instance of slumping.

n. A drooping or slouching posture: read defeat in the slump of his shoulders.

n. A sudden falling off or decline, as in activity, prices, or business: a stock market slump; a slump in farm prices.

n. An extended period of poor performance, especially in a sport or competitive activity: a slump in a batting average.

n. See grunt.

v. To collapse heavily or helplessly.

v. To decline or fall off in activity or performance.

v. To slouch or droop.

n. A heavy or helpless collapse; a slouching or drooping posture; a period of poor activity or performance, especially an extended period.

n. A boggy place.

n. The noise made by anything falling into a hole, or into a soft, miry place.

n. The gross amount; the mass; the lump.

v. To lump; to throw into a mess.

verb-intransitive. To fall or sink suddenly through or in, when walking on a surface, as on thawing snow or ice, partly frozen ground, a bog, etc., not strong enough to bear the person.

verb-intransitive. To slide or slip on a declivity, so that the motion is perceptible; -- said of masses of earth or rock.

verb-intransitive. To undergo a slump, or sudden decline or falling off.

n. A boggy place.

n. The noise made by anything falling into a hole, or into a soft, miry place.

n. A falling or declining, esp. suddenly and markedly; a falling off

To fall or sink suddenly when walking on a surface, as on ice or frozen ground, not strong enough to support one; walk with sinking feet; sink, as in snow or mud.

Hence, to fail or fall through ignominiously: often with through; as, the plan slumped through.

n. A boggy place; soft, swampy ground; a marsh; a swamp.

n. The noise made by anything falling into a hole or slump.

n. The act of slumping through weak ice or any frozen surface, or into melting snow or slush.

n. Hence, an ignominious coming to naught; complete failure; also, a sudden fall, as of prices: as, a slump in stock from 150 to 90.

n. A gross amount; a block; lump: as, to buy or take things in the slump: also used attributively: as, a slump sum.

To throw or bring into a mass; regard as a mass or as a whole; lump.

v. assume a drooping posture or carriage

n. a long-term economic state characterized by unemployment and low prices and low levels of trade and investment

v. go down in value

v. fall or sink heavily

v. fall heavily or suddenly; decline markedly

n. a noticeable deterioration in performance or quality

"Kidd said the slump is a little frustrating because he feels he is getting good looks and taking good shots but the ball isn't going in."

slumped    slumping    slumps   

swag    flag    sag    droop    godown    fall    descend    comedown    break    give   

slumped    slumping    slumplike   

lump    fall    depreciate   

Hump    Trump    bump    chump    clump    crump    dump    frump    grump    gump   

downturn    recession    fluctuations    bronco    cataclysm    collapse    decline    deflation    setback    inflation