Grimace is a noun and a verb. It just depends on how you use it.
Noun form: The grimace of the refugees in the photograph reveals the pain of homelessness.
Verb form: Most people grimace at the mere sound of the dentist's drill.
She grimaced at the sight of the spectacle in front of her.
The gutsy soldier just silently grimaced.
My Grandad grimaced when he saw me kick my ball at his greenhouse.
Example: Ashley grimaced when she saw her grade on the math test. Dictionary definition: A facial expression that indicates disapproval or pain.
The cab driver's face grimaced in repulsion to the scene of the accident.
I can give you several sentences.He grimaced as his broken leg throbbed excruciatingly.She had an excruciatingly whiny voice.His writing was excruciatingly precise.
I stared into his eyes gloomily. He grimaced then struck me in the face.
I grimaced upon reading the lack of grammar in this question. There was a grimace upon my face on reading this question.
The word grimaced is a verb. It is the past tense of grimace.
Thegrimace of the refuge in the photograph reveals the pain of homelessnessMost people grimace at the mere sound of the dentist's drill.
"I grimace when I think about centipedes because anything that crawls gives me the creeps!"
The neighbors had bought a new watchdog, and he grimaced fiercely as I walked by.
Frowned, grimaced.