mute
definition: unable to speak because of hereditary deafness
example:
speech part: adjective
synonyms:
dumb
definition: expressed without speech
example: a mute appeal
speech part: adjective
definition: a device used to soften the tone of a musical instrument
example:
speech part: noun
synonyms:
definition: a deaf person who is unable to speak
example:
speech part: noun
synonyms:
deaf-mute
deaf-and-dumb person
definition: deaden (a sound or noise), especially by wrapping
example:
speech part: verb
synonyms:
dull