noun

moral corruption; wickedness.

a tale of depravity hard to credit

corruption,corruptness,vice,perversion,pervertedness,deviance,degeneracy,degradation,immorality,shamelessness,debauchery,dissipation,dissoluteness,turpitude,loucheness,profligacy,licentiousness,lewdness,lasciviousness,salaciousness,lechery,lecherousness,prurience,obscenity,indecency,libertinism,sordidness,wickedness,sinfulness,vileness,baseness,iniquity,nefariousness,criminality,viciousness,brutality,brutishness,perviness,vitiation