mute
mute
adjective
Unable to speak, either temporarily or permanently; also, silent or unspoken.
"She remained mute throughout the interrogation."
verb
To silence or reduce the volume of a sound, device, or person.
"Could you mute the television, please?"
noun
A device used to soften or reduce the volume of a musical instrument.
"The trumpeter inserted a mute for the soft passage."
Thesaurus
Synonyms: unspoken, tongueless, inarticulate, silent, wordless, unarticulate, muffle, dull, tone down, damp, dampen, deaf-mute