乱 means “disorder, riot”

らん · ran

Also: war, disturb

Kun'yomi (Japanese reading)
みだれる, みだる, みだす, みだ, おさめる
On'yomi (Chinese reading)
ラン, ロン

JLPT N2 · Taught in grade 6 · 7 strokes

The story

Picture a tongue (舌) wagging beside a hook (乚): loose talk stirring up trouble. 乱れる is to fall into disorder, 混乱 is confusion, and the 応仁の乱, a war that wrecked Kyoto from 1467, opened Japan's age of warring states.

Used in 混乱 (konran, confusion), 乱れる (midareru, to be in disorder), and 反乱 (hanran, rebellion)

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.