silent

Meanings

• marked by absence of sound
  • "a silent house"
• failing to speak or communicate etc when expected to
  • "the witness remained silent"
• implied by or inferred from actions or statements
  • "gave silent consent"
• not made to sound
  • "the silent `h' at the beginning of `honor'"
• having a frequency below or above the range of human audibility
  • "a silent dog whistle"
• unable to speak because of hereditary deafness

Synonyms

dumb, mum, mute, soundless, still, tacit, understood, unsounded