Advance ㅅ secretly in Korean: 슬그머니’s meaning and pronunciation secretly in Korean is 슬그머니. For examples, you can use like [슬그머니 나오다, 슬그머니 나타나다]. In this post you will learn how to pronounce and use secretly in Korean along with examples. 2022.12.21 Advance ㅅAdvanced WordsWordsㅅ