Search Result for "soundlessness": 
Wordnet 3.0

NOUN (1)

1. the property of making no sound;
[syn: quietness, soundlessness]



The Collaborative International Dictionary of English v.0.48:

Soundless \Sound"less\, a.
   Having no sound; noiseless; silent. -- Sound"less*ly, adv.
   -- Sound"less*ness, n.
   [1913 Webster]


WordNet (r) 3.0 (2006):

soundlessness
    n 1: the property of making no sound [syn: quietness,
         soundlessness]