Open English Wordnet
Adjectives
(s)iniquitous, sinful, ungodlycharacterized by iniquity; wicked because it is believed to be a sin“iniquitous deeds”, “he said it was sinful to wear lipstick”, “ungodly acts”
(s)extraordinary, over-the-top, sinfulfar more than usual or expected“an extraordinary desire for approval”, “it was an over-the-top experience”