grimace

grimace is a   Noun

Definition:

[1] A distortion of the countenance, whether habitual, from affectation, or momentary aad occasional, to express some feeling, as contempt, disapprobation, complacency, etc.; a smirk; a made-up face. Moving his face into such a hideons grimace, that every feature of it appeared under a different distortion. Addison.

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