soundlessstep
nounUK /ˈsaʊndləs stɛp/
US /ˈsaʊndləs stɛp/
A step you take without making any noise.
The cat crossed the room with a soundless step.
OTHER MEANINGS
2. A way of walking so quietly that nobody hears you.
He moved through the hallway with a soundless step so he wouldn't wake the baby.
3. A single movement of the foot that makes no sound at all.
The ninja took one soundless step onto the roof.
4. The act of walking quietly and carefully.
Her soundless step surprised everyone in the room.