noiseless
- s making no sound
th' inaudible and noiseless foot of time"- Shakespeare
- E's" new device are that it is automatic, self-lubricating, and practically noiseless.
- On the few occasions when Gray kicked up his heels his letters brightened, but for the most part they reflect exactly the noiseless tenor of his studious way.
- Splayed out from both banks are noiseless hollows and stubbly, once-farmed bottoms, all in the shadow of Appalachian mountains, which rise dark and gorgeous in every direction.