straight face
noun
Definition of straight face
: a face giving no evidence of emotion and especially of merriment lied with a straight face
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Examples of straight face in a Sentence
She lied with a straight face.
The students quickly put on straight faces as the teacher walked into the room.
1853
First Known Use of straight face
1853
STRAIGHT FACE Defined for English Language Learners
straight face
noun
Definition of straight face for English Language Learners
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: a face that shows no emotion and especially no amusement
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