depravity in WordNet English dictionary

1. 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"
   corruption  degeneracy  depravation  depravity  putrefaction 
   
2. a corrupt or depraved or degenerate act or practice
   "the various turpitudes of modern society"
   depravity  turpitude