Translation guide
How to express a lack of worry, interest, or involvement in Japanese, depending on whether you mean 'not worried', 'indifferent', or 'not involved'.
To say someone is not anxious or troubled about something.
Common word meaning 'unfazed', 'fine', 'not bothered'. Often used when someone remains calm in a situation that might worry others.
He accepted the danger without concern.
She's not bothered by injections.
Literally 'not mind'. Very common for 'I don't care' or 'it doesn't bother me' in a casual, unconcerned sense.
I'm not concerned even if I fail.
Means 'easygoing', 'carefree', sometimes 'unconcerned to a fault'. Can be slightly negative if someone is too laid-back.
He's always carefree.
Indifferent, unconcerned about something specific, like appearance or details. More formal/literary.
He is unconcerned about his clothes.
To express a lack of interest or emotional investment.
Standard word for 'indifferent', 'apathetic'. Used for lack of interest in a topic, issue, or person.
He is unconcerned about politics.
Very common casual phrase meaning 'I don't care', 'whatever'. Can sound dismissive.
I'm unconcerned about the result.
Means 'cold', 'indifferent' in attitude. Stronger than 無関心, implies emotional distance.
To say someone is not connected to or responsible for a matter.
There is no single Japanese word that covers all uses of 'unconcerned'. Choose based on whether you mean 'not worried', 'indifferent', or 'not involved'. Using the wrong one can change the nuance significantly.
彼の冷淡な態度に驚いた。
I was surprised by his unconcerned attitude.
彼はその事件とは無関係だ。
He is unconcerned with that incident.