Deterioration

n.

1.

The process of growing worse, or the state of having grown worse.

Noun	1.	deterioration - a symptom of reduced quality or strength Synonyms: impairment
	2.	deterioration - process of changing to an inferior state Synonyms: decline in quality, worsening, declension

about-face, accommodation, adaptation, adjustment, aggravation, alteration, amelioration, amplification, annoyance, apostasy, atrophy, augmentation, betterment, break, change, change of heart, changeableness, comedown, constructive change, contentiousness, continuity, conversion, crumbling, debasement, decadence, decadency, decay, decaying, declension, declination, decline, decomposition, deepening, defection, deformation, degeneracy, degenerateness, degeneration, degenerative change, degradation, deliberate aggravation, demotion, depravation, depravedness, depreciation, derogation, descent, devaluation, deviation, devolution, difference, discontinuity, disintegration, dislocation, disruption, dissolution, divergence, diversification, diversion, diversity, downfall, downgrade, downtrend, downturn, downward mobility, downward trend, drop, dry rot, dying, ebb, ebbing, effeteness, embittering, embitterment, enhancement, enlargement, exacerbation, exasperation, fading, failing, failure, failure of nerve, fall, falling-off, fitting, flip-flop, gradual change, heightening, impairment, improvement, increase, intensification, involution, irritation, lapse, lessening, loss of tone, magnification, melioration, mitigation, modification, modulation, overthrow, provocation, qualification, radical change, re-creation, realignment, redesign, reform, reformation, regression, remaking, renewal, reshaping, restructuring, retrocession, retrogradation, retrogression, reversal, revival, revivification, revolution, rotting, ruin, sharpening, shift, slippage, slump, souring, spoiling, sudden change, switch, total change, transition, turn, turnabout, upheaval, variation, variety, violent change, wane, waning, worsening