muet

/mɥɛ/
1.
adjective

mute (unable to speak)

Il est resté muet pendant le dîner.

He remained silent during dinner.

Synonyms:sans voix, aphone, silencieux
2.
adjective

silent (of a letter or sound that is not pronounced)

Le 'h' en français est souvent muet.

The 'h' in French is often silent.

3.
adjective

muted; not producing sound (e.g., microphone, device)

Mets ton micro en muet pendant la réunion.

Put your microphone on mute during the meeting.

Synonyms:silencieux, coupé