soundlessly

She moved soundlessly through the dark forest.

The ninja approached soundlessly and took down the guard.

The ghostly figure glided soundlessly across the room.

The cat crept soundlessly towards its prey.

The snow fell soundlessly outside the window.

The thief entered the house soundlessly in the middle of the night.

The leaves rustled soundlessly in the gentle breeze.

She wept soundlessly, tears streaming down her face.

The clock ticked soundlessly, marking the passage of time.

The submarine glided soundlessly beneath the surface of the ocean.