슬며시

seulmyeosi

슬며시 + verb: 슬며시 웃다, 슬며시 손을 잡다

quietly, gently, discreetly

Example

아이가 엄마 손을 슬며시 잡았어요.

The child quietly took her mom's hand.

Good to know

Often softer than 몰래: it describes gentle, unnoticed action, not necessarily sneaky or wrong.