adv ·Rare ·Advanced level

Definitions

Adverb

1. 1
   In a sinful manner; wickedly.

   "They sinfully committed adultery."

2. 2
   To an extent or degree that is sinful.

   "a sinfully delicious dessert"

Synonyms

All synonyms

flagrantlypeccantly

Example

More examples

"It was sinfully sweet and delicious."

Etymology

From sinful + -ly.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.