Synonyms of slump in English:

slump


See definition of slump

verb

1‘he slumped into a chair’

SYNONYMS
sit heavily, flop, flump, collapse, sink, fall, subside
sag, slouch
informal plonk oneself, plop oneself
ANTONYMS

stand up, sit up

2‘houses prices slumped’

SYNONYMS
fall steeply, plummet, plunge, tumble, drop, go down, slide, decline, decrease
reach a new low
informal crash, nosedive, take a nosedive, go into a tailspin
ANTONYMS

rise, soar

3‘the reading standards of 7-year-olds have slumped’

SYNONYMS
decline, deteriorate, degenerate, worsen, get worse, slip, lapse
informal go downhill, go to pot, go to the dogs, nosedive, take a nosedive
ANTONYMS

improve


noun

1‘a slump in annual profits’

SYNONYMS
steep fall, plunge, drop, collapse, tumble, plummet, downturn, downswing, slide, decline, falling off, decrease, lowering, devaluation, depreciation
meltdown
informal nosedive
ANTONYMS

rise

2‘higher interest rates would drive the country into a slump’

SYNONYMS
recession, economic decline, depression, slowdown, trough, credit crunch
stagnation, stagflation
hard times
informal bust
ANTONYMS

boom, upturn