This is the 8272nd most frequent Korean word.
nai
"Nai" (나이) means "age" in English.
Usage of 'nai' as referring to one's age.
나이가 많으시네요.
You are quite old.
Usage of 'nai' indicating age as a category.
그들은 나이에 상관없이 서로 친구입니다.
They are friends regardless of their age.
Usage of 'nai' metaphorically indicating ignoring one's age.