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noun
low spirits; despair
Synonyms: abasement, abjection, abjectness, blahs, bleakness, blue funk, bummer, cheerlessness, dejection, desolation, desperation, despondency, disconsolation, discouragement, dispiritedness, distress, dole, dolefulness, dolor, downheartedness, dreariness, dullness, dumps, ennui, gloom, gloominess, heaviness of heart, heavyheartedness, hopelessness, lowness, lugubriosity, melancholia, melancholy, misery, mortification, qualm, sadness, sorrow, the blues, trouble, unhappiness, vapors, woefulness, worry
Antonyms: cheerfulness, encouragement, happiness, hope, hopefulness
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noun
economic decline
Synonyms: bad times, bankruptcy, bear market, big trouble, bottom out, bust, crash, crisis, deflation, dislocation, downturn, drop, failure, hard times, inactivity, inflation, overproduction, panic, paralysis, rainy days, recession, retrenchment, sag, slide, slowness, slump, stagflation, stagnation, unemployment
Antonyms: recovery, surge
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noun
concavity, cavity
Synonyms: basin, bowl, crater, dent, dimple, dip, excavation, hole, hollow, impression, indentation, pit, pocket, sag, scoop, sink, sinkage, sinkhole, vacuity, vacuum, valley, void
Antonyms: bulge, convexity, protuberance