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v. grinned, grin·ning, grins
To smile broadly, often baring the teeth, as in amusement, glee, embarrassment, or other strong emotion.
To express with a grin: I grinned my approval.
1. The act of grinning.
2. The facial expression produced by grinning.
[Middle English grennen, to grimace, from Old English grennian.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||grinning - a facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement|
simper - a silly self-conscious smile
smirk - a smile expressing smugness or scorn instead of pleasure
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