表情|ひょうじょうhyoujou[3]nakadaka (mid-high)

1. nounfacial expression; countenance
   彼かれの頭あたまがさっと怒いかりの表情ひょうじょうに変かわるのを見みた。↗

   I saw his face switch to anger.
2. nounlook; appearance; expression (vocal, etc.)

• Synonym面持ちおももちWrittenThe look on a face that betrays a feeling, as in 「緊張した面持ち」; a word for written/formal prose.
• Synonym顔つきかおつきNeutralCovers both a person's looks and the expression on the face, as in 「険しい顔つき」; unlike 「表情」, it takes in facial features too.
• Synonym形相ぎょうそうWrittenA frightening, intense look, usually angry, as in 「すごい形相」; used in written/formal prose.
• Related顔かおNeutralThe face itself, but also expression and even one's honor or face; 「表情」 is the emotion showing, and can extend to a voice's expressiveness or the look of scenery.
• Related顔色かおいろNeutralComplexion or the color of the face, as well as facial expression, as in 「顔色が悪い」 and 「顔色をうかがう」.
• Related形相ぎょうそうWrittenA frightening, intense look, usually angry, as in 「すごい形相」; used in written/formal prose.
• Related血相けっそうNeutralMostly in 「血相を変える」, for the face changing color dramatically in shock or anger.
• Related面差しおもざしWrittenUsed in written/formal prose for facial features, as in 「母親に似た面差し」; emphasizes looks rather than emotion, though it can include expression.
• Related相好そうごうWrittenUsed in written/formal prose, often in 「相好を崩す」 for breaking into a broad smile.
• Related相貌そうぼうWrittenA rare, formal word used in written/formal prose for a person's looks or countenance; the emphasis is on appearance.
• Related目顔めがおNeutralA look or signal of the eyes, as in 「目顔で合図する」; rare, and only about the eyes, not the whole face.
• Related面構えつらがまえNeutralThe fierce or resolute look that shows on a face, as in 「不敵な面構え」; neutral in register.
• Related顔ばせかおばせWrittenAn old-fashioned, elegant word for the countenance, including expression; used in written/formal prose and rare in modern Japanese.
• Related面付きつらつきCasualColloquial and rough, often unflattering, for the look on someone's face; rare — 「顔つき」 is the usual word.
• Related面貌めんぼうWrittenUsed in written/formal prose for a person's looks, also figuratively for the appearance of things; rare.

Use 「表情」 for emotion showing on the face, 「顔つき」 for looks or facial expression, and 「顔色」 for complexion. 「面持ち」 suits descriptions of a mood on the face in written/formal prose; 「形相」 is for a frightening, intense, often angry look.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 顔かおなどに表あらわれた感情かんじょう。
2. 語義ごぎ1から派生はせいして、山やまや湖みずうみなどの自然しぜんが季節きせつによって変化へんかする様子ようす。