boorishness

from WordNet (r) 3.0 (2006)

boorishness
    n 1: the manner of a rude or insensitive person
    2: inelegance by virtue of being an uncouth boor [syn:
       {boorishness}, {uncouthness}]

from The Collaborative International Dictionary of English v.0.48

Boorish \Boor"ish\, a.
   Like a boor; clownish; uncultured; unmannerly. --
   {Boor"ish*ly}, adv. -- {Boor"ish*ness}, n.
   [1913 Webster]

         Which is in truth a gross and boorish opinion.
                                                  --Milton.
   [1913 Webster]