- Noun - 1. a deaf person who is unable to speak - 2. a device used to soften the tone of a musical instrument 
- Verb - 1. deaden (a sound or noise), especially by wrapping 
- Adjective - 1. expressed without speech; especially because words would be inappropriate or inadequate; "a mute appeal""a silent curse""best grief is tongueless"- Emily Dickinson"the words stopped at her lips unsounded""unspoken grief""choking exasperation and wordless shame"- Thomas Wolfe- 2. lacking power of speech - 3. unable to speak because of hereditary deafness