unmute means to restore the sound output (on a speaker or other audio device), having previously muted it. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
unmute is pronounced /ʌnˈmjuːt/.
Etymology
From un- + mute.
verb
- To restore the sound output (on a speaker or other audio device), having previously muted it.