Top matchCommonJLPT N1WaniKani 43まこと誠makoto にniAdverb (fukushi)really; truly; very; extremely; exceedingly; sincerely遅れまして、誠に申し訳ありません。I'm awfully sorry that I was late.Also written 真に【まことに】makotoni、寔に【まことに】makotoni、実に【まことに】makotoni、洵に【まことに】makotoni Listen Pitch on OJAD Explore