Grimace has 4 different meanings across 2 categories:
Noun · Verb
a contorted facial expression
"she made a grimace at the prospect"
A contorted facial expression, often expressing contempt or pain.
contort the face to indicate a certain mental or emotional state
"He grimaced when he saw the amount of homework he had to do"
To make grimaces; to distort one's face; to make faces.