THESAURUS
downward trend
cascade, cataract, chute, collapse, comedown, crash, debacle, debasement, decadence, decadency, declension, declination, decline, defluxion, deformation, degeneracy, degenerateness, degeneration, degradation, demotion, depravation, depravedness, depreciation, derogation, descending, descension, descent, deterioration, devolution, down, downbend, downcome, downcurve, downfall, downflow, downgrade, downpour, downrush, downtrend, downturn, downward mobility, drop, dropping, dying, ebb, effeteness, fading, failing, failure, failure of nerve, fall, falling, falling-off, gravitation, inclination, involution, lapse, loss of tone, plummeting, pounce, rapids, regression, retrocession, retrogradation, retrogression, slippage, slump, stoop, swoop, wane, waterfall
