Search Result for "inaudibleness": 
Wordnet 3.0

NOUN (1)

1. the quality of not being perceptible by the ear;
[syn: inaudibility, inaudibleness]



The Collaborative International Dictionary of English v.0.48:

Inaudible \In*au"di*ble\, a. [L. inaudibilis; pref. in- not +
   audire to hear: cf. F. unaudible. See In- not, and
   Audible.]
   Not audible; incapable of being heard; silent. --
   In*au"di*ble*ness, n. -- In*au"di*bly, adv.
   [1913 Webster]


WordNet (r) 3.0 (2006):

inaudibleness
    n 1: the quality of not being perceptible by the ear [syn:
         inaudibility, inaudibleness] [ant: audibility,
         audibleness]