voiceless
[adjective]
Synonyms: dumb, inarticulate, mute, silent, speechless, unarticulate

[TahlilGaran] English Synonym Dictionary ▲

voice‧less /ˈvɔɪsləs/ adjective

1. unable to get your opinions or concerns noticed by people in power:
The vast majority of our people feel ignored and voiceless.

2. technical voiceless sounds are made without using the vocal cords. For example, /p/ and /k/ are voiceless consonants.

[TahlilGaran] Dictionary of Contemporary English ▲