sinful

adjective

1
far more than usual or expected
an extraordinary desire for approval
it was an over-the-top experience
2
having committed unrighteous acts
a sinful person
3
characterized by iniquity; wicked because it is believed to be a sin
iniquitous deeds
he said it was sinful to wear lipstick

Also useful for “sinful”:Unscrambler— Rearrange the letters in “sinful”