NAmE//ɡrɪn//[intransitive, transitive]Verb Forms present simple I / you / we / they grin
he / she / it grins
past simple grinned
-ing form grinning
(only used as an infinitive and in orders) to accept pain, disappointment, or a difficult situation without complaining There's nothing we can do about it. We'll just have to grin and bear it.
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