1. (n.) Detraction; depreciation.

2. (n.) The act of depraving, or making anything bad; the act of corrupting.

3. (n.) The state of being depraved or degenerated; degeneracy; depravity.

4. (n.) Change for the worse; deterioration; morbid perversion.

abandon abandonment abjection comedown corruptedness corruption corruptness debasement decadence decadency declension declination decline deformation degeneracy degenerateness degeneration degradation demoralization demotion depravedness depravity depreciation derogation descent deterioration devolution dissoluteness downtrend downturn downward mobility downward trend drop dying ebb effeteness fading failing failure failure of nerve fall falling-off involution lapse loss of tone moral pollution moral turpitude profligacy regression reprobacy retrocession retrogradation retrogression rottenness slippage slump turpitude wane