代かえる

ichidan verb, transitive verb

replace; change; renew

Only when written 替える

Used when swapping out an old or broken item for a new one of the same kind, or when changing something to a different state. Typically written 替える.

• 電でん池ちを新あたらしいのに替かえた。

  I replaced the batteries with new ones.

• カーテンを夏なつ用ように替かえる。

  I change the curtains to the summer ones.

ichidan verb, transitive verb

exchange; convert; swap

Only when written 換える

Used when exchanging one thing for another, especially money, goods, or abstract things like words. Typically written 換える.

• ドルを円えんに換かえる。

  I exchange dollars for yen.

• ポイントを景けい品ひんに換かえる。

  I convert points into prizes.

ichidan verb, transitive verb

substitute; replace (a person)

Only when written 代える

Used when one person takes the place of another in a role, job, or position. Typically written 代える.

• 監かん督とくは疲つかれた選せん手しゅを代かえた。

  The manager substituted the tired player.

• 急きゅう用ようで、私わたしが彼かれに代かわって会かい議ぎに出でる代かわりに、彼かれに私わたしの役やくを代かえてもらった。

  Due to a sudden matter, instead of me attending the meeting in his place, I had him substitute for my role.