1.
peace of mind, relief
A state of being free from worry or anxiety.
それを聞いて安心した。
I felt relieved to hear that.
無事で安心しました。
I'm relieved that you're safe.
〜て安心する pattern
試験に受かったと聞いて、やっと安心できた。
I was finally able to relax after hearing that I passed the exam.
2.
reassurance, security
The feeling of being safe or certain about something.
安心してください。
Please don't worry. / Rest assured.
Common reassurance
ここは安心な場所です。
This is a safe place.
Na-adjective usage
保険に入っていると、安心して生活できる。
If you have insurance, you can live with peace of mind.
安心 is both a noun meaning 'peace of mind' and functions as a suru-verb.
Verb usage:
- 安心する: to feel relieved, to feel at ease
- 安心させる: to reassure (someone)
Na-adjective usage:
- 安心な: safe, reliable (e.g., 安心な場所)
Common collocations:
- 安心して〜する: to do ~ without worry
- 〜て安心した: felt relieved that ~
- ご安心ください: Please rest assured (polite)
Antonym: 心配 (worry)