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
Danielle Battaglia, Charlotte Observer, 31 July 2025
The woman, Sati, grinned as a once-still image of her husband, Jose, moved about, smiling back at her.
—Saleen Martin, USA Today, 19 July 2025
Dave Quinn, People.com, 5 Aug. 2025
Every social feed served unboxing after unboxing of pastel creatures with wide grins and rabbit-like ears.
—Kate Hardcastle, Forbes.com, 4 Aug. 2025
See All Example Sentences for grin
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Verb
To the right of the stage, a fabric backdrop stamped with the candidate’s campaign logo stretched across a metal frame — a makeshift photo booth where supporters posed and grinned.
—Danielle Battaglia, Charlotte Observer, 31 July 2025
The woman, Sati, grinned as a once-still image of her husband, Jose, moved about, smiling back at her.
—Saleen Martin, USA Today, 19 July 2025
Noun
Entering into Cohen's Clubhouse after a game of 'Mystery Housewife Caller,' Radziwill greeted her former boss with a big grin and an enthusiastic hug.
—Dave Quinn, People.com, 5 Aug. 2025
Every social feed served unboxing after unboxing of pastel creatures with wide grins and rabbit-like ears.
—Kate Hardcastle, Forbes.com, 4 Aug. 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 19 Aug. 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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