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grin

grin /ˈgrɪn/ verb
grins; grinned; grinning
grin
/ˈgrɪn/
verb
grins; grinned; grinning
Britannica Dictionary definition of GRIN
[no object]
: to smile widely

grin and bear it

: to accept something that you do not like because you have no choice

— grin

noun, plural grins [count]