A grimace is a twisted facial expression that shows pain, disgust, or dislike. It usually involves tightening the mouth and eyes in an uncomfortable way.
From French “grimace,” meaning “ugly face, contortion of the face.” Its deeper origin is uncertain but likely related to words for masks or grim faces.
A grimace is your face briefly turning into a “mask” of discomfort. Even if you try to hide your feelings, a tiny grimace can betray exactly what you think.
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