grin definition, meaning - what is grin in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “grin”

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grin

noun [C] uk   us   /ɡrɪn/
C2 a wide smile: I assumed things had gone well for him as he had a big grin on his face. a broad/sheepish grin
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grin

verb [I] uk   us   /ɡrɪn/ (-nn-)
C2 to smile a wide smile: He grinned at me from the doorway. What are you grinning about?
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(Definition of grin from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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