cliquishness

from WordNet (r) 3.0 (2006)

cliquishness
    n 1: tendency to associate with only a select group [syn:
         {clannishness}, {cliquishness}, {exclusiveness}]

from The Collaborative International Dictionary of English v.0.48

cliquish \cli"quish\ (kl[=e]"k[i^]sh), a.
   Of or pertaining to a clique; disposed to from cliques;
   exclusive in spirit. -- {Cli"*quish*ness}, n.
   [1913 Webster]