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
I 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
Steven Louis Goldstein, New York Times, 17 May 2025
And if Laura’s tone of grinning noodginess is easy enough to rationalize away, her other foster child is not.
—Owen Gleiberman, Variety, 16 May 2025
Joseph Hudak, Rolling Stone, 10 May 2025
On the way out, surrounded by reporters, Robinson breaks character and grins as Towns walks by.
—Kristian Winfield, New York Daily News, 8 May 2025
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Verb
Somewhere in the basketball multiverse, Sydney Colson grins and rubs her hands together.
—Noun
Despite sporting a cast on his right hand that prohibited him from playing guitar, Rodriguez, then 65, was in superb voice and gregarious spirit, flashing his 1000-watt grin in between verses.
—Cite this Entry
“Grin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/grin. Accessed 22 May. 2025.
Kids 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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