Search Result for "unobtrusiveness": 
Wordnet 3.0

NOUN (1)

1. the quality of not sticking out in an unwelcome way; 



The Collaborative International Dictionary of English v.0.48:

Unobtrusive \Un`ob*tru"sive\, a.
   Not obtrusive; not presuming; modest. -- Un`ob*tru"sive*ly,
   adv. -- Un`ob*tru"sive*ness, n.
   [1913 Webster]


WordNet (r) 3.0 (2006):

unobtrusiveness
    n 1: the quality of not sticking out in an unwelcome way [ant:
         obtrusiveness]