同どう世せ代だい

ど

う

せ

だ

い

JLPTN2

Meanings

1

noun

same generation; one's generation

Refers to people of roughly the same age group or cohort. Often used in social or cultural contexts.

同どう年ねん齢れい
同年齢 means 'same age' (exact age), while 同世代 refers to a broader age group or generation.
同どう年ねん代だい
同年代 also means 'same generation/age group' and is often interchangeable, but 同世代 can emphasize shared cultural or historical experiences.

Compound of 同 (same) + 世代 (generation).