Definition of muteness in English:

muteness

Pronunciation /ˈmyo͞otnəs/ /ˈmjutnəs/

noun

See mute

‘My unusual muteness must have made him wonder if I was having second thoughts.’
  • ‘Pardon, I am traveling with a girl that had been cursed by muteness.’
  • ‘He had suddenly developed selective muteness in school for days or even a whole week at a time on five different documented occasions since the previous October.’
  • ‘Because we are all Canadians, and therefore painfully polite, he mistakes our bemused muteness for rapt attention.’
  • ‘Ursula, I had learned, was not quiet and silent because of her muteness.’