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
Helen Schulman, The Atlantic, 26 June 2025
The foul came just moments after nearly the entire 2025-26 UConn roster took its seats in the lower bowl to watch their former teammate’s homecoming, and Huskies junior KK Arnold was on her feet grinning as Bueckers briefly attempted to argue the call.
—Emily Adams, Hartford Courant, 21 June 2025
Mathew Miranda, Sacbee.com, 29 July 2025
There was a knowing grin shared between father and son as the latter walked past the away dugout following his second-half substitution.
—Beren Cross, New York Times, 28 July 2025
See All Example Sentences for grin
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Verb
Miguel and Angel were grinning maniacs standing in the middle of the set with their arms around each other’s shoulders, like ballplayers after a winning game surrounded by a circle of glowing fans.
—Helen Schulman, The Atlantic, 26 June 2025
The foul came just moments after nearly the entire 2025-26 UConn roster took its seats in the lower bowl to watch their former teammate’s homecoming, and Huskies junior KK Arnold was on her feet grinning as Bueckers briefly attempted to argue the call.
—Emily Adams, Hartford Courant, 21 June 2025
Noun
Jesus, especially, had a grin that reminded his loved ones of Mickey Mouse.
—Mathew Miranda, Sacbee.com, 29 July 2025
There was a knowing grin shared between father and son as the latter walked past the away dugout following his second-half substitution.
—Beren Cross, New York Times, 28 July 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 2 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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