Synonyms of slump

1 Syllable
dip, stoop, scooch, bust, low, plop, funk, fall, sank, blight, slid, sunk, loll, droop, sink, sag, trough, keels, drop, crash, sprawl, keel, dumps, slip, rut
2 Syllables
peter, sliding, descend, downer, distort, topple, keeling, lolling, toppling, drooped, downtick, downturns, keeled, bottom, letdown, downtrend, falloff, markdowns, plopping, pratfall, sagging, downturn, sagged, shakeout, flopped, plopped, sprawled, dropoff, descent, toppled, tumbled, downswing, stooping, flagged, swagging, sprawling, markdown, flopping, peters, doldrums, lolled, fall-off, slide
3 Syllables
weltered, stagflation, sinkage, recession, distorting, descended, decreased, reverse, weltering, recessions, prolapsed, downcome, bottom-out, decreasing, decline, depression, collapse, prolapsing, stagnation, falling-off, downslide, deflation, spread-eagle, petering
4 Syllables
anticlimax, tobogganing, depreciations, pejorate, depreciation
5 Syllables
degringolade, anticlimaxes, deterioration