From Middle English sinful, synful, senful, sunful, from Old English synful (“sinful, guilty, wicked, corrupt”), equivalent to sin + -ful. Cognate with Dutch zondevol (“sinful”), German sündevoll (“sinful”), Danish syndefuld (“sinful”), Swedish syndfull (“sinful”), Icelandic syndfullur (“sinful”).
- constituting a sin; being morally or religiously wrong; wicked; evil
- Antonym: sinless
- (colloquial) decadent (luxuriously self-indulgent)
- 2018 April 10, Cohn, Rachel; Levithan, David, Sam & Ilsa's Last Hurrah, New York City: Random House, →ISBN:
- I take a whiff of the most sincerely sinful cookies in the history of the world. It’s a recipe I saw in People magazine once at the dentist's office, and Dr. Segal would not approve of its ingredients (or maybe she would, in the interest of keeping her business afloat).