크군

is big, is large

→ 크다
크 big, large + 군 Exclamatory ending expressing realization or mild surprise
adjective Rare #26,443
is big, is large -군 expresses a realization or mild surprise.
KO: 방이 생각보다 크군.
EN: The room is bigger than I expected.
Forms of 크다

생각보다 진동이 크군

The vibration is stronger than I expected.

— 바람이 분다 (2013)

엄청 크군 꼭 문 같은데!

It's so big, it looks like a door!

— 바람이 분다 (2013)

엄청 크군!

It's huge!

— 아메리칸 갱스터 (2007)