Etymology From French grimace, from Middle French grimace, from Old French grimace, grimuche, from grime (“mask”) (with the pejorative suffix -ace, from Latin -āceus), from Frankish *grīma, *grīmō (“mask”), from Proto-Germanic *grīmô (“mask, helmet”). Cognate with Old English grīma (“mask, visor, helmet, spectre, apparition”). More at grime.
1
A contorted facial expression, often expressing contempt or pain.
Her face was twisted in a grimace of disgust.
I trundle off to bed, eyes brimming, face twisted into a grateful glistening grimace, and awaken the next day wondering what all the fuss was about.2005 March, Opera News:
Zeluco considered all this as mere affectation and grimace, and was convinced that she would, in due time, unfold the particular mode in which she wished to be indemnified […].1789, John Moore, Zeluco, Valancourt, published 2008, page 105:
Charlotte was equally insensible to all his fashionable grimace, and indifferent to his conversation.1790, Helen Maria Williams, Julia, Routledge, published 2016, page 21:
Etymology From French grimace, from Middle French grimace, from Old French grimace, grimuche, from grime (“mask”) (with the pejorative suffix -ace, from Latin -āceus), from Frankish *grīma, *grīmō (“mask”), from Proto-Germanic *grīmô (“mask, helmet”). Cognate with Old English grīma (“mask, visor, helmet, spectre, apparition”). More at grime.
1
To make grimaces; to distort one's face; to make faces.