1.
same age, of the same age
Being born in the same year; having the same age as someone else.
同い年 means being the same age.
Pronunciation
Note the unusual reading おない for 同い, which only appears in this word.
Usage
Commonly used when discovering someone shares your birth year, often creating a sense of connection or equality.
Common patterns
- 同い年だ: to be the same age
- 同い年の: of the same age (attributive)
Cultural note
In Japan, discovering someone is 同い年 often shifts the relationship dynamic, as age-based hierarchies (先輩/後輩) become less relevant.