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3. a grin like a Cheshire cat

a grin like a Cheshire cat

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a grin like a Cheshire cat

a very wide smile

Usage notes: The Cheshire cat is a character in Lewis Carroll's book Alice in Wonderland and is famous for its big smile.

I just presumed he'd got the job because he walked in here with a grin like a Cheshire cat.

See also: cat, Cheshire, grin, like