keep a straight face

idiom

Definition of keep a straight face

: to not smile or laugh It was hard to keep a straight face with everyone else laughing.

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Cite this Entry

“Keep a straight face.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keep%20a%20straight%20face. Accessed 1 Oct. 2020.

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