WordWeb Online

1. Moral perversion; impairment of virtue and moral principles
   "its brothels, its opium parlours, its depravity"
   - corruption, degeneracy, depravation, putrefaction
    
2. A corrupt or depraved or degenerate act or practice
   "the various depravities of modern society"
   - turpitude

Derived forms: depravities

See also: deprave, depraved

Type of: evildoing, immorality, transgression