depraved, villainous, or base.

Archaic . holding a false or unorthodox religious belief; heretical.

a vicious or depraved person; villain.

Archaic . a heretic or infidel.

adjective

good , moral , nice

noun

goody-goody

adjective

corrupt , criminal , degenerate , depraved , flagitious , infamous , iniquitous , nefarious , perverse , rascally , reprehensible , reprobate , unhealthy , unprincipled , vicious , villainous , wicked , rotten

noun

blackguard , black sheep * , bootlegger , bully , cad , caitiff , convict , criminal , culprit , delinquent , drunkard , evildoer , felon , fink * , heel * , hoodlum , jailbird , loafer , louse * , lowlife , malefactor , outcast , outlaw , pickpocket , racketeer , rapscallion , rascal , rat * , reprobate , rowdy , ruffian , scalawag , scamp , scoundrel , scum * , sinner , sneak , vagabond , villain , wretch , wrongdoer , heretic , infidel , knave , transgressor , unbeliever