1
: tainted with, marked by, or full of sin : wicked
2
: such as to make one feel guilty
a sinful chocolate cake
sinfulness
noun
sin·ful·ness
-lnə̇s
plural -es
: the quality or state of being sinful
man of moderate intelligence and normal sinfulness—
R. H. Rovere
R. H. RovereExamples of sinful in a Sentence
Adjective
It is sinful to steal.
chastised by his minister for his sinful behavior
Recent Examples on the Web
Lauren Costantino, Miami Herald, 12 May 2026
Efficiency is religion, and turnovers are almost sinful.
—Joel Lorenzi, New York Times, 6 May 2026
Christian moralists thundered against the sinful pleasures of watching naked female flesh at the Spectacles.
—Literary Hub, 15 Apr. 2026
His father, who believes Sammie's music to be sinful, orders him to drop the guitar, but Sammie can't do it.
—Randall Colburn, Entertainment Weekly, 12 Mar. 2026
See All Example Sentences for sinful
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Adjective
Bowing down and worshiping an idol is sinful.
—Lauren Costantino, Miami Herald, 12 May 2026
Efficiency is religion, and turnovers are almost sinful.
—Joel Lorenzi, New York Times, 6 May 2026
Christian moralists thundered against the sinful pleasures of watching naked female flesh at the Spectacles.
—Literary Hub, 15 Apr. 2026
His father, who believes Sammie's music to be sinful, orders him to drop the guitar, but Sammie can't do it.
—Randall Colburn, Entertainment Weekly, 12 Mar. 2026
See All Example Sentences for sinful
Cite this Entry
“Sinful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sinful. Accessed 14 Jun. 2026.
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