Top matchCommonじはつてき自発的jihatsutekiNa-adjective (keiyodoshi)spontaneous; voluntary彼は自発的に降伏した。He surrendered of his own accord. Listen Conjugations Pitch on OJAD Explore
オペラ歌手は自発的にチャリティーコンサートを開いた。The opera singer held a charity concert of his own accord.Break it down Tatoeba Pitch this sentence on OJAD