The Korean word means “all” or “everything.” It is used to refer to the entirety of something—whether it’s people, objects, or actions.

Examples of 다 in sentences:

Referring to everything:
다 좋아요!Everything is good!
다 먹었어요.I ate everything.

Talking about all people or things:
학생들이 다 왔어요.All the students came.
우리는 다 친구예요.We are all friends.

Using 다 with verbs:
영화를 다 봤어요.I watched the whole movie.
책을 다 읽었어요.I finished reading the book.

Emphasizing completeness:
숙제를 다 했어요.I finished all my homework.
그 이야기를 다 들었어요.I heard the whole story.