What does 誠意 mean?
誠意 is a Japanese noun meaning “sincerity; good faith” in English. It is written as 誠意 in kanji, せいい in hiragana, and seii in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
彼は無礼にも私の誠意を疑った。
He dared to doubt my sincerity.