Translation guide
How to express losing interest in Japanese, from casual fading of enthusiasm to formal disengagement.
Expressing that you or someone else has stopped being interested in something.
Standard, neutral way to say 'lose interest'. Suitable for both spoken and written Japanese.
彼はその話題に興味を失った。
He lost interest in the topic.
Literally 'interest disappears'. More colloquial and natural in conversation.
最近、ゲームに興味がなくなった。
Lately, I've lost interest in games.
Means 'to get tired of' or 'to lose interest due to boredom'. Often used for hobbies or repetitive things.
このゲームはもう飽きた。
I'm already bored with this game.
Literally 'to cool down'. Used when enthusiasm or passion fades, often in relationships or hobbies.
彼女への気持ちが冷めた。
My feelings for her have cooled.
Describing fading romantic or personal interest.
Common expression for feelings cooling off. Used for romantic interest.
だんだん気持ちが冷めてきた。
My feelings have gradually cooled.
Means to be fed up or disgusted with someone, leading to loss of interest. Stronger than just cooling.
彼のわがままに愛想が尽きた。
I'm fed up with his selfishness.
When interest wanes because you get distracted or stop paying attention.
Literally 'concentration runs out'. Used when you can't stay focused.
長時間勉強していると集中力が切れる。
If I study for a long time, I lose focus.
Means to be distracted. Interest is lost because attention is diverted.
騒音で気が散って、仕事に集中できない。
The noise distracts me and I can't focus on work.
興味を失う is a formal, direct translation of 'lose interest'. 飽きる implies boredom or weariness with something specific. Use 飽きる for hobbies or repetitive tasks, and 興味を失う for more abstract or serious loss of interest.
彼は政治に興味を失った。
He lost interest in politics.
毎日同じお弁当で飽きた。
I got tired of the same lunch every day.
Avoid literal translations like 失う (to lose an object) for abstract interest. Use set phrases like 興味を失う or 興味がなくなる.