誠せい意いせいいCommon wordJLPTN1Freq.FrequencyTop 20,000Meanings1nounsincerity; good faithA sincere, earnest attitude, especially in dealings with others. Often used in formal or serious contexts such as apologies, negotiations, or promises.彼かれの誠せい意いが伝つたわってきた。I could feel his sincerity.誠せい意いをもって対たい応おうします。We will deal with this in good faith.
