How to say "diversion" in Japanese

Choosing the right word
  • 転換てんかんJLPT N1approx.Common
    suru verb, transitive verb, intransitive verb, no-adjectiveCovers diversion as a changeover: switching something from one state, direction or system to another. It is about the change itself, not about entertainment.
    工場こうじょうは石炭せきたんから、より清潔せいけつな燃料ねんりょうへの転換てんかんを強つよく要求ようきゅうされている。↗
    Factories have been urged to switch from coal to a cleaner fuel.
  • 流用りゅうようCommon
    noun, suru verb, transitive verbDiversion of money or resources to a purpose other than the intended one; because it can mean misappropriation, it often carries a suggestion of improper use.
  • 転用てんようCommon
    suru verb, transitive verb, no-adjectiveCovers diversion as putting something to another use, i.e. repurposing it. The focus is on the thing's new use rather than on any wrongdoing.
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  • 楽しみたのしみJLPT N4approx.Common
    noun, na-adjectiveDiversion as a pleasure: something one enjoys or looks forward to, such as a hobby or treat. It emphasizes enjoyment itself rather than a change of pace.
    水泳すいえいが私の楽たのしみの1つです。↗
    Swimming is one thing I enjoy.
  • 気晴らしきばらしCommon
    noun, suru verb, intransitive verbDiversion in the sense of recreation or relaxation: something you do to take your mind off work or worries and refresh yourself.
    私の父ちちの気晴きばらしはスカイダイビングをすることです。↗
    My dad's pastime is skydiving.

For diverting things, 転換 is a changeover or switch, 流用 diverts funds or resources (often improperly), and 転用 puts something to another use; for the 'amusement' sense, 「楽しみ」 is a pleasure and 「気晴らし」 a relaxing break.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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