Flagitious
FLAGI'TIOUS, adjective [Latin flagitium, a scandalous crime, probably from the root of flagrant.]
1. Deeply criminal; grossly wicked; villainous; atrocious; scandalous; as a flagitious action or crime.
2. Guilty of enormous crimes; corrupt; wicked; as a flagitious person.
3. Marked or infected with scandalous crimes or vices; as flagitious times.