grinned; grinning
: to draw back the lips so as to show the teeth especially in amusement or laughter
grinner
noun
plural grins
: a facial expression produced by grinning especially in pleasure or amusement
a happy grin
She grew into a nimble young girl of seven winters, a thoughtful girl with shining brown eyes and a wide grin …—
Louise Erdrich
Louise ErdrichI wanted to wipe the grin off his face [=make him stop smiling.]
Examples of grin in a Sentence
Verb
She continued to tease her brother, grinning wickedly.
grinned at the kids' fooling around in the pool
Recent Examples on the Web
Colson Thayer, PEOPLE, 20 Sep. 2025
Patrick grins at the camera from behind the 14-time Grammy winner, while Brown and his wife, musician Katelyn Jae, stand toward the left.
—Hannah Dailey, Billboard, 16 Sep. 2025
Eva Roytburg, Fortune, 24 Sep. 2025
The two men, trailed by a small crowd, arrived at the memorial with huge grins on their faces.
—Mara H. Gottfried, Twin Cities, 22 Sep. 2025
See All Example Sentences for grin
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Verb
Lori, who wore a black two-piece bikini, grinned ear-to-ear while taking a dip in the water with the F1 star.
—Colson Thayer, PEOPLE, 20 Sep. 2025
Patrick grins at the camera from behind the 14-time Grammy winner, while Brown and his wife, musician Katelyn Jae, stand toward the left.
—Hannah Dailey, Billboard, 16 Sep. 2025
Noun
With hollow cheeks, a broad grin and a straw hat with a red band, the figure is instantly recognizable and has been hoisted by young demonstrators calling for change.
—Eva Roytburg, Fortune, 24 Sep. 2025
The two men, trailed by a small crowd, arrived at the memorial with huge grins on their faces.
—Mara H. Gottfried, Twin Cities, 22 Sep. 2025
See All Example Sentences for grin
Cite this Entry
“Grin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/grin. Accessed 29 Sep. 2025.
Copy CitationKids Definition
grin
verb
grinned; grinning
: to draw back the lips so as to show the teeth especially in laughter
grin
noun
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