Boor"ish*ness

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]