What does 内乱 mean?
内乱 is a Japanese noun meaning “civil war, domestic conflict” in English. It is written as 内乱 in kanji, ないらん in hiragana, and nairan in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
イングランドはかつて内乱で分裂したことがあった。
England was once torn by civil war.