[ def-myoot ]
/ ˈdɛfˈmyut /


unable to hear and speak.


a person who is unable to hear and speak, especially one in whom inability to speak is due to congenital or early deafness.

Nearby words

  1. deaf aid,
  2. deaf as a post,
  3. deaf without speech,
  4. deaf-and-dumb,
  5. deaf-blind,
  6. deafblind,
  7. deafen,
  8. deafening,
  9. deafeningly,
  10. deafferentation

Origin of deaf-mute

1830–40; translation of French sourd-muet

Related formsdeaf-mute·ness, deaf-mut·ism, noun

Usage note

See dumb. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for deaf-mute



a person who is unable to hear or speakSee also mute 1 (def. 7), mutism (def. 2b)


unable to hear or speak
Derived Formsdeaf-muteness or deaf-mutism, noun

Word Origin for deaf-mute

C19: translation of French sourd-muet


Using this word to refer to people without speech is considered outdated and offensive, and should be avoided. The phrase profoundly deaf is a suitable alternative in many contexts

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for deaf-mute


[ dĕfmyōōt′ ]


A person who can neither hear nor speak. No longer in technical use.


Unable to speak or hear.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.