It had the movements of a serpent and the noiselessness of a jungle tiger.
The little Jap was gone with the speed and noiselessness of a mouse.
The panel slid upward with a noiselessness that spoke for well-oiled machinery somewhere in the walls.
No Indian who ever lived could have equaled him in swiftness and noiselessness.
A great many stories have been told about the noiselessness of smokeless powder.
The effort to raise it cautiously was indicated not by any noiselessness but by the long duration of the sound.
He had sighted the sparrow-hawk, and was warily stalking her, hence the noiselessness of his approach.
The priestess herself, in her garnet-colored robe, moved about the room with the noiselessness of a shadow.
When at last it was fitted and stealthily turned with an attempt at noiselessness, the door refused to yield.
In many respects this weapon is superior to the shot-gun, but its great advantage is its noiselessness.