grin
//ɡrɪn//
Verb
grinInfinitive
grinPresent tense
grinnedPast tense
grinnedPast participle
grinningPresent participle
grinsThird-person singular
1
to smile broadly, showing the teeth
He grinned at me when I told him the good news.
Noun
1
a broad smile that shows the teeth
He had a big grin on his face when he won the prize.