from The American Heritage Dictionary of the English Language, 4th Edition
The facial expression produced by grinning.
from The American Heritage Dictionary of the English Language, 4th Edition
verb-transitive
To express with a grin: I grinned my approval.
from The American Heritage Dictionary of the English Language, 4th Edition
verb-intransitive
To smile broadly, often baring the teeth, as in amusement, glee, embarrassment, or other strong emotion.
from The American Heritage Dictionary of the English Language, 4th Edition
verb
To draw back the lips so as to show the teeth especially in amusement or laughter.
from Free Scrabble Dictionary
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