inconspicuousness

from WordNet (r) 3.0 (2006)

inconspicuousness
    n 1: the quality of being not easily seen [ant:
         {conspicuousness}]

from The Collaborative International Dictionary of English v.0.48

Inconspicuous \In`con*spic"u*ous\, a. [L. inconspicuus. See
   {In-} not, and {Conspicuous}.]
   Not conspicuous or noticeable; hardly discernible. --
   {In`con*spic"u*ous*ly}, adv. -- {In`con*spic"u*ous*ness}, n.
   --Boyle.
   [1913 Webster]