mute

adjective
UK /mjuːt/
US /mjuːt/

Not able to make any sound.

The mute button on the remote turns off the sound.


OTHER MEANINGS

2. To turn off the sound on a device.

Please mute your microphone during the meeting.

3. A person who cannot speak.

The old story tells of a mute who spoke through signs.

4. A small device that softens the sound of a musical instrument.

He put a mute on his trumpet so the neighbors wouldn't complain.