This is the 9275th most frequent Korean word.
검은
"검은" means "black."
Here, '검은' is used as an adjective describing the color of the cat.
검은 고양이가 창밖에 앉아 있습니다.
A black cat is sitting outside the window.
In this sentence, '검은' describes the color of the clothes he is wearing.
그는 검은 옷을 입고 있었다.
He was wearing black clothes.
Here, '검은' is used as an adjective to describe the dark color of the night sky.