A grimace is a distasteful expression. Another word for a grimace is a moue or a frown. You could also say scowl or sneer. You might even hear the term "make a face," or "a wry face."
Flinch, or grimace.
Smirk.
The accent in the word "grimace" is placed on the second syllable, so it is pronounced "gri-MACE."
Don't make such a grimace when you get a shot.
The boy has a terrible grimace on his face after he got hurt.
The word 'grimace' is both a verb and a noun.The noun 'grimace' is a singular, common, concrete noun; a word for a facial expression of pain, contempt, or disgust; a word for a thing.The noun forms of the verb to grimace are grimacer (one who grimaces) and the gerund, grimacing.
a grin
perhaps "grimace"
"I grimace when I think about centipedes because anything that crawls gives me the creeps!"
Somewhere around the 16th century, the word mump meant to grimace. And people who have the mumps could appear to grimace. That is where it came from.
"He told her his leg was feeling better, but the grimace on his face told her otherwise. She could tell he was still in great pain."