Dictionary / Vocabulary / 治安
ちあん · also じあん
public order; public peace; public security; law and order
JLPT N1 common word
あまり治安が良いエリアじゃないので、遅くならないよう帰りたいです。
As it's not a very safe area, I want to get home before it's late.
それは治安の問題です。
It's a public security question.
最近目に見えて治安が悪くなった。
Recently, it's become clear that public order has deteriorated.