unvoiced

un- +‎ voiced.

• (US) IPA^(key): /ˌʌnˈvɔɪst/

• Audio (Southern England)

  (file)

• Audio (US)

  (file)

• Rhymes: -ɔɪst

unvoiced (not comparable)

1. Not spoken or expressed.

   I could guess her unvoiced opinon.

2. (linguistics) Spoken without vibration of the vocal chords.

   Synonym: voiceless

3. (signal processing, of a signal) That does not contain voice.
   • 1999, ISIE ...‎, volumes 1-3, IEEE Service Center:

     The unvoiced signal is smaller energy than voiced signal and, so, this section is applied the smaller threshold.

4. (Internet) Of an IRC user: not granted voice privileges.

• surd