~代

~だい

Age range; period; charge

N4suffix·~dai

How to remember it

代 means 'generation/substitute' — 20代 is 'in your twenties', your generation.

Example sentences

  • 彼女はまだ20代です。

    かのじょはまだにじゅうだいです。

    She is still in her twenties.

  • 平成時代に育ちました。

    へいせいじだいにそだちました。

    I grew up in the Heisei era.

Usage

Attaches to numbers for age ranges (20代) and to nouns for charges (電気代).

Related words

世代時代何代目電気代

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