Flagitious

1. (a.) Disgracefully or shamefully criminal; grossly wicked; scandalous; shameful; -- said of acts, crimes, etc.

2. (a.) Guilty of enormous crimes; corrupt; profligate; -- said of persons.

3. (a.) Characterized by scandalous crimes or vices; as, flagitious times.

Thesaurus Entries

corrupt, criminal, degenerate, depraved, disgraceful, flagrant, glaring, gross, infamous, miscreant, nefarious, perverse, rotten, scandalous, shameful, sinful, vicious, villainous, wicked