誠 まこと truth N1 #13,752 Meanings also 真 · 実 noun truth; reality; fact sincerity; honesty; faithfulness; good faith adverb, dated indeed; really; absolutely; truly; actually; very; quite Its kanji 誠 セイ · まこと sincerity, admonish, warn, prohibit, truth, fidelity In sentences Furigana 嘘うそから出でた誠まこと。 Many a true word is spoken in jest. #189510