1. Marked by absence of sound
   "a silent house"
   - soundless, still 
2. Failing to speak or communicate etc when expected to
   "the witness remained silent"
   - mum 
3. Implied by or inferred from actions or statements
   "gave silent consent"
   - tacit, understood 
4. Not made to sound
   "the silent 'h' at the beginning of 'honour'"
   - unsounded 
5. Having a frequency below or above the range of human audibility
   "a silent dog whistle" 
6. Unable to speak because of hereditary deafness
   - dumb, mute

See also: implicit, inarticulate, inaudible, incommunicative, inexplicit, quiet, silence, silently, unarticulate, uncommunicative, unhearable

Encyclopedia: Silent

• random walk
• random-access memory
• randomisation
• randomise
• randomised
• randomization
• randomize
• randomized
• randomly
• randomness
• randy
• ranee
• range
• range animal
• range hood
• range in
• range of a function
• range of mountains
• range pole
• rangefinder
• rangeland
• ranger
• Rangifer
• Rangifer arcticus
• Rangifer caribou