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keep a straight face

Idioms  
  1. Don't show one's feelings, especially refrain from laughing. For example, The school orchestra played so many wrong notes that I had trouble keeping a straight face. [Late 1800s]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

This is so obviously a market mania that I honestly don’t know how anyone on the Street of Shame can say otherwise and keep a straight face.

From MarketWatch Oct. 31, 2025

It was very difficult to keep a straight face because we just played it as seriously as we could, and we’re like, “Should we make a procedural crime show? I think we might have to.”

From Los Angeles Times Jun. 5, 2025

Rep. Greg Casar of Austin, another freshman Democrat who sits beside Crockett in the Oversight Committee, said he often struggles to keep a straight face during Crockett’s speeches.

From Salon Jan. 18, 2024

The last one to keep a straight face wins.

From New York Times Jan. 18, 2024

Arturo looked right at her, struggling to keep a straight face.

From "The Book of Unknown Americans" by Cristina Henríquez

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