JLPT N1 Vocabulary 規約 (kiyaku) agreement, rules, code JLPT N1 Learning Done Flashcards Recall mode Meaning 規約 (きやく, kiyaku) is a JLPT N1 vocabulary word meaning “agreement, rules, code”. Kanji in this word 規 standard 約 promise ← Previous咄嗟 All N1 vocabulary Next →修飾