unbespeak
/ʌnˈbɛspeek/Definitions
1. verb
to take away or deprive of words
“The politician’s harsh words unbespoke the poet’s emotional speech.”
2. verb
to remove or take away speech or the power of speech
“The dictator’s rule unspoke all opposition in the country.”
3. noun
the act of depriving of speech
“The imprisonment was a form of unbespeak for the dissident.”