Definition of unmute in English:

unmute

verb

  • with object To remove a mute from (a musical instrument); to allow (a person who or thing which has previously been silenced) to be heard.

Origin

Early 19th century; earliest use found in The Monthly Magazine and British Register. Partly from un- + mute.

Pronunciation

unmute

/(ˌ)ʌnˈmjuːt/