noiseless

from WordNet (r) 3.0 (2006)

noiseless
    adj 1: making no sound; "th' inaudible and noiseless foot of
           time"- Shakespeare

from The Collaborative International Dictionary of English v.0.48

Noiseless \Noise"less\, a.
   Making, or causing, no noise or bustle; without noise;
   silent; as, the noiseless foot of time.
   [1913 Webster]

         So noiseless would I live.               --Dryden.
   [1913 Webster] -- {Noise"less*ly}, adv. -- {Noise"less*ness},
   n.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

29 Moby Thesaurus words for "noiseless":
      damped, dampened, deadened, echoless, hush, hush as death, hushed,
      inaudible, mousy, muffled, mute, muted, quiescent, quiet, silent,
      soft, soundless, still, still as death, stilly, subaudible,
      unarticulated, unhearable, unpronounced, unsounded, unuttered,
      unvocalized, unvoiced, whist

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