Depravation

Detraction; depreciation.

The act of depraving, or making anything bad; the act of corrupting.

The state of being depraved or degenerated; degeneracy; depravity.

Change for the worse; deterioration; morbid perversion.

moral perversion; impairment of virtue and moral principles; "the luxury and corruption among the upper classes"; "moral degeneracy followed intellectual degeneration"; "its brothels, its opium parlors, its depravity"; "Rome had fallen into moral putrefaction"