mute - noun

a deaf person who is unable to speak

a device used to soften the tone of a musical instrument

mute - verb

• deaden (a sound or noise), especially by wrapping

mute - adjective

• expressed without speech
• unable to speak because of hereditary deafness

mute - thesaurus

damp   dampen   dull   dumb   muffle   silent   tongueless   unspoken   wordless