JLPT N1 Vocabulary 改修 (kaishuu) repair, improvement JLPT N1 Learning Done Flashcards Recall mode Meaning 改修 (かいしゅう, kaishuu) is a JLPT N1 vocabulary word meaning “repair, improvement”. Kanji in this word 改 reformation 修 discipline ← Previous個 All N1 vocabulary Next →セレモニー