noun, noun which may take the genitive case particle 'no'
Refers to a facial expression with knitted brows and a displeased look, often from anger, pain, or disapproval. Can be used as a noun or with の to modify another noun.
See also: しかめ面 (しかめづら)
彼は難しい質問にしかめっ面をした。
He frowned at the difficult question.
しかめっ面のまま黙っていた。
He stayed silent with a scowl on his face.