mute

US /mjuːt/
UK /mjuːt/
"mute" picture
1.

refraining from speech or temporarily speechless

:
He remained mute after the shocking news.
The witness was struck mute by fear.
2.

unable to speak, typically as a result of a congenital defect or illness

:
She was born mute and communicated through sign language.
The accident left him permanently mute.
1.

a person who is unable to speak

:
The old man, a lifelong mute, communicated with his eyes.
She learned sign language to speak with her mute brother.
2.

a device for deadening the sound of a musical instrument

:
The trumpet player attached a mute to his instrument.
Using a mute can change the timbre of the sound.
1.

to turn off the sound of (a television, radio, or other device)

:
Please mute the TV during dinner.
I had to mute the call because of background noise.