Vocabulary

What does ～代 (～だい) mean?

～代 (～だい, ～dai) means in one's ~s, the ~ era (e.g. 20代: in one's twenties).

Quick facts
Reading	～だい
Romaji	～dai
Level (estimated, JLPT framework)	N4

～代～だい

N4 · estimated, JLPT framework～dai

in one's ~s, the ~ era (e.g. 20代: in one's twenties)

Example sentences

この店(みせ)には二十代(にじゅうだい)の客(きゃく)が多(おお)いです。
This shop has many customers in their twenties.
父(ちち)は五十代(ごじゅうだい)ですが、まだ元気(げんき)です。
My father is in his fifties, but he's still healthy.