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
Jasmine Garsd, NPR, 16 June 2026
The first slide was a solo shot of Louetta in front of a bundle of pink balloons, grinning from ear-to-ear.
—Laura Millar, PEOPLE, 12 June 2026
David Browne, Rolling Stone, 12 June 2026
Liu, 28, recalls with an exasperated grin.
—Patrick Ryan, USA Today, 29 May 2026
See All Example Sentences for grin
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Verb
Fatima grins, before rejoining the rest of the girls' team for one-on-one drills.
—Jasmine Garsd, NPR, 16 June 2026
The first slide was a solo shot of Louetta in front of a bundle of pink balloons, grinning from ear-to-ear.
—Laura Millar, PEOPLE, 12 June 2026
Noun
Then Jaimoe pauses, flashes a quick, playful grin, and rolls his right pant leg up to his knee.
—David Browne, Rolling Stone, 12 June 2026
Liu, 28, recalls with an exasperated grin.
—Patrick Ryan, USA Today, 29 May 2026
See All Example Sentences for grin
Cite this Entry
“Grin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/grin. Accessed 19 Jun. 2026.
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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