безмълвен

Etymology
From.

Adjective

 * 1) (of a person) mute, silent seldom or never speaking
 * 2) (of a place) silent
 * 3) taciturn preferring to stay quiet
 * 4) voiceless; unvocal whose voice is not raised, or is not heard
 * 1) voiceless; unvocal whose voice is not raised, or is not heard