Definition of deaf mute in US English:

deaf mute

noun

dated, offensive
  • A person who is both deaf and unable to speak.

adjective

dated, offensive
  • (of a person) both deaf and unable to speak.

Usage

In modern use, deaf mute has acquired offensive connotations (implying, wrongly, that such people are without the capacity for communication). It should be avoided in favor of other terms such as profoundly deaf. See also mute

Pronunciation

deaf mute