voiceless russian

• глухо́й

  deaf

  muffled, flat, toneless, dull, indistinct

  unvoiced, voiceless

  out-of-the-way, remote, god-forsaken

  dense

  blank

• безголо́сый

  weak of voice, feeble-voiced, voiceless

• безгла́сность

  voicelessness, muteness, lack of public discourse, lack of transparency

• безголо́сный

  voiceless, silent

  without a voice, disenfranchised, unheard

• обезголо́сеть

  to lose one's voice, to become voiceless

• обезголо́севший

  hoarse, having lost one's voice, voiceless