Degeneracy

The act of becoming degenerate; a growing worse.

The state of having become degenerate; decline in good qualities; deterioration; meanness.

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"