aphonic

[ ey-fon-ik, ey-foh-nik ]
/ eɪˈfɒn ɪk, eɪˈfoʊ nɪk /

adjective

mouthed but not spoken; noiseless; silent.
Phonetics.
  1. lacking phonation; unvoiced.
  2. without voice; voiceless.
Pathology. affected with aphonia.

noun

Pathology. a person who is affected with aphonia.

Origin of aphonic

1820–30; < Greek áphōn(os) voiceless (see aphonia) + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for aphonic

aphonic

/ (əˈfɒnɪk) /

adjective

affected with aphonia
phonetics
  1. not representing a spoken sound, as k in know
  2. voiceless or devoiced
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012