Assault
Noun, する verb, and な adjective
らんぼう
乱暴なやつは大きらいだ！
I hate violent people!
その男は少女に乱暴したつみでたいほされた。
That man got arrested for assaulting a girl.
「父さん、友達が僕のこと、乱暴だって言うんだ。」「それがどうした。そんな奴の言うことなんかどうでもいいよ。そんな馬鹿たれ、こてんぱにしてやれ！」
"Dad, my friend says I’m violent." "So what? Who cares what he thinks? Just beat the stupid guy up!"
Riot and violence. That sounds terrible! That sounds like a place full of violence, because rioting is violent and violence is violent too!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.