also: しぶづら · しぶつら
He listened to the proposal with a grimace.
With a sullen face, she reluctantly agreed.
He made a sullen face while listening to his boss talk.
She grimaced when she heard the price.
My father's face turned into a grimace as soon as he heard the report.
笑顔 is a smiling, happy face, the direct opposite of the sullen, displeased expression of 渋面.
Standard kanji form; the reading じゅうめん is the most common.
Alternate reading using kun'yomi; less common than じゅうめん.
Alternate reading using kun'yomi; less common than じゅうめん.
Compound of 渋 (astringent, bitter) and 面 (face). The reading じゅうめん is on'yomi, while しぶづら/しぶつら mix kun'yomi. The exact historical derivation is uncertain.