This is the 11581st most frequent Korean word.
나인데
The Korean word "나인데" does not appear to have a standard standalone meaning; it may be a part of a sentence or a typo. Context is needed.
나인데
나인데 오늘은 기분이 좋아.
Since it's me, I'm in a good mood today.
나인데
나인데 왜 나를 못 알아봐?
It's me, why can't you recognize me?
나인데