gringrin1 /grɪn/ ●●○ verb (grinned, grinning) [intransitive] 
1
to smile continuously with a very big smile: 
Sally was grinning at Martin from across the room.THESAURUSsmile, beam, smirk, simper► see thesaurus at smile12grin and bear it informal to accept a difficult situation without complaining because you cannot change it: It won’t be fun, but we’ll have to grin and bear it.
1
to smile continuously with a very big smile: Sally was grinning at Martin from across the room.THESAURUSsmile, beam, smirk, simper► see thesaurus at smile12grin and bear it informal to accept a difficult situation without complaining because you cannot change it: It won’t be fun, but we’ll have to grin and bear it.
