sinful

adj

Etymology: From Middle English synful, senful, sunful, from Old English synful (“sinful, guilty, wicked, corrupt”), equivalent to sin + -ful. Compare Dutch zondevol (“sinful”), German sündevoll (“sinful”), Danish syndefuld (“sinful”), Swedish syndfull (“sinful”), Icelandic syndfullur (“sinful”).

1. Having sinned; guilty of sin.
2. Constituting a sin; morally or religiously wrong; wicked; evil.
3. decadent (luxuriously self-indulgent)

   “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).”