Definition of straight face
- lied with a straight face
She lied with a straight face.
The students quickly put on straight faces as the teacher walked into the room.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'straight face.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a face that shows no emotion and especially no amusement
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