grin

US /ɡrɪn/

UK /ɡrɪn/

1.

a broad smile

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He had a wide grin on his face after winning the lottery.

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She gave a mischievous grin.

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smile beam smirk

1.

to smile broadly, especially as an expression of amusement, satisfaction, or pleasure

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He couldn't help but grin when he saw his old friend.

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The cat seemed to grin at me from under the table.

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smile beam smirk

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grin and bear it grin from ear to ear