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
J. Kim Murphy, Variety, 2 Sep. 2025
She was dressed in green and gold and had a beaming smile on her face as Justin grinned at her.
—Michael Nied, People.com, 2 Sep. 2025
Kayla Grant, People.com, 2 Sep. 2025
The moment had members of the crowd inside Arthur Ashe Stadium on their feet, while Alcaraz soaked up the applause with a huge grin.
—George Ramsay, CNN Money, 1 Sep. 2025
See All Example Sentences for grin
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Verb
The small, grinning Labubu plush dolls have exploded in popularity over the summer, with their limited supply, celebrity endorsements and collectible nature driving up bidding prices online.
—J. Kim Murphy, Variety, 2 Sep. 2025
She was dressed in green and gold and had a beaming smile on her face as Justin grinned at her.
—Michael Nied, People.com, 2 Sep. 2025
Noun
In the photo, the father-son duo looked at each other with grins on their face.
—Kayla Grant, People.com, 2 Sep. 2025
The moment had members of the crowd inside Arthur Ashe Stadium on their feet, while Alcaraz soaked up the applause with a huge grin.
—George Ramsay, CNN Money, 1 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 9 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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