noiselessstep
adjectiveUK /ˈnɔɪzləs stɛp/
US /ˈnɔɪzləs stɛp/
A noiseless step is a step you take without making any sound.
The cat crossed the room with a noiseless step so it would not wake the baby.
OTHER MEANINGS
2. A way of walking so softly that nobody can hear you.
She moved with a noiseless step through the dark hallway.
3. A footstep that makes no noise at all.
His noiseless step surprised everyone in the room.
4. Moving quietly and carefully, like a ninja.
The guard's noiseless step let him sneak past the door.