Collocations for grin - noun

big, broad, huge, large, wide | faint, feeble | friendly, sympathetic | infectious | lazy | fatuous, foolish, goofy, silly | boyish, cheeky, impish, mischievous, sly
Edmund looked up with an impish grin.

bashful, sheepish | sickly | rueful, sardonic, wry | self-deprecatory, self-mocking | knowing | insane, manic | grim, humourless, mirthless | evil, ferocious, hideous, wicked, wolfish | crooked, lopsided | gap-toothed, toothless, toothy

crack, force, give (sb)
He gave the photographer a big grin.

break into, split into
The old man''s face broke into a grin.

hide, restrain, stifle
She tried to stifle a grin.

broaden, grow broader/wider, widen | appear, spread across/over sth
A mischievous grin spread across the little girl''s face.

disappear, fade
His wry grin faded.

with a ~
‘Fooled you!’ he said, with a cheeky grin.

~ at
a grin at his wife

~ of
a grin of triumph

take/wipe the grin off your face
Take that grin off your face!

wipe the grin off sb''s face
I''ll soon wipe that silly grin off her face.