끝났는데

ended, but; now that it has ended

→ 끝나다
끝났 Past tense + 는데 Background/contrast connective
verb · informal, past tense Rare #27,342
ended, but; now that it has ended Connects to a following clause, often giving background or implying a contrast or consequence.
KO: 수업이 끝났는데 아직 아무도 안 왔어요.
EN: Class has ended, but nobody has arrived yet.
Conjugation of 끝나다

전쟁이 끝났는데 왜 아빠는 안 오시는 거 죠?

The war is over, so why isn't Dad coming?

— 시네마 천국 (1988)

끝났는데 가도 될까요, 부인?

It's over, can I go, ma'am?

— 희생 (1986)

예배가 거의 끝났는데 아무튼 들어오세요

The service is almost over, but come on in anyway.

— 하얀 리본 (2009)