What does 満面 mean?
満面 is a Japanese noun meaning “the whole face” in English. It can also be translated as “(wearing an expression) all over one's face” depending on context. It is written as 満面 in kanji, まんめん in hiragana, and manmen in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
満面朱をそそいで怒った。
He went red in the face with rage.