Adjective: sinful
Comparison Forms
Synthetic
| Comparative | sinfuller |
| Superlative | sinfullest |
Perifrastic
| Comparative | more sinful |
| Superlative | most sinful |
Sample Sentences
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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). [2018 April 10, Rachel Cohn, David Levithan, Sam & Ilsa's Last Hurrah, New York City: Random House, →ISBN:]
Adjectives inflected like sinful
sinful,
painful,
playful,
mournful,
mirthful,
healthful,
awful,
yuriful,
hateful,
harmful,
useful,
joyful,
grateful,
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”). See: Swedish Adjectives '
syndfull'.