Main Entry: sin·ful

Pronunciation: \ˈsin-fəl\

Function: adjective

Date: before 12th century

1 : tainted with, marked by, or full of sin : wicked
2 : such as to make one feel guilty <a sinful chocolate cake>

— sin·ful·ly \-fə-lē\ adverb

— sin·ful·ness noun