こうかい 後悔 Common word JLPT N1 Wanikani level 48 Play audio LinksSentence search for 後悔Sentence search for こうかいKanji details for 後 and 悔Edit in JMdict Noun, Suru verb, Transitive verb, Intransitive verb, Noun which may take the genitive case particle 'no'1. regret; repentance; remorse Discussions Log in to talk about this word.