penitential
🇺🇸
/ˌpenɪˈtenʃl/
🇬🇧
/ˌpenɪˈtenʃl/
expressing or feeling remorse or regret for a mistake or wrongdoing
He made a penitential speech, acknowledging his mistakes and asking for forgiveness.
彼は自分の過ちを認め、許しを求める懺悔の言葉を述べた。