Dictionary.com
Thesaurus.com

crack a smile

Idioms  
  1. Smile, as in Betty was a very serious person; she rarely cracked a smile. This colloquialism transfers crack in the sense of “break” to breaking a serious facial expression into a smile.


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.

His sprightly text, ably translated from the French by Arielle Aaronson, may crack a smile on even the most stone-faced among us.

From The Wall Street Journal • Oct. 31, 2025

It’s intended for the audience to occasionally at least crack a smile during the show’s tougher scenes.

From Los Angeles Times • Oct. 30, 2024

He can crack a smile and a joke or two, but the bespectacled leader can often take on the grimace of a disappointed elder.

From BBC • Jul. 14, 2024

Milley didn't crack a smile all night, even when Biden came over to glad-hand after his speech.

From Salon • Aug. 18, 2023

Ser Alliser Thome was the only man at table who did not so much as crack a smile.

From "A Game of Thrones" by George R.R. Martin