sinful in WordNet English dictionary

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