거 아닌가

isn't it?

→ 것
phrase Rare #28,652
isn't it? A conversational rhetorical question that often seeks agreement or expresses doubt. It follows a clause; 거 is a shortened form of 것.
KO: 이게 네가 찾던 거 아닌가?
EN: Isn't this what you were looking for?

장난친 거 아닌가!

Wasn't it just a prank?

— 요짐보 (1961)

뭐 실수한 거 아닌가?

Did I do something wrong?

— Unlocked (2023)