뭐

Meaning

1. 1.

   what — A pronoun used to refer to a fact or object that one does not know of.

2. 2.

   what — A pronoun used to refer to a subject that does not need to be specified or named.

3. 3.

   really — A word used when the speaker is surprised at, laments, or regrets an unexpected thing or situation that happened, and emphasizes it.

   주로 ‘-지 뭐야’, ‘-지 뭐예요’, ‘-지 뭐니’, ‘-지 뭡니까’로 쓴다.