丹たん心しんたんしんじ字FuriganaMeanings1nounsincerity; faithfulness; wholehearted devotionA somewhat formal or literary term for pure-hearted sincerity and unwavering loyalty. Often used in expressions of dedication or patriotic sentiment.彼かれの丹たん心しんは誰だれもが認みとめるところだ。Everyone acknowledges his sincere devotion.