Definitions by Kpop101-

Ace 

In kpop, it is a compliment given to an idol who is able to lead in dancing, singing and rapping.

Often considered different from an 'all-rounder' in recent years, they are essentially the same thing.

Oh, Jungkook is such an ace.
Stray Kids is a group full of ace(s).

Ace by Kpop101- March 17, 2025