Source : Webster's Revised Unabridged Dictionary (1913)

Insularity \In`su*lar"i*ty\, n. [Cf. F. insularit['e].]
   1. The state or quality of being an island or consisting of
      islands; insulation.

            The insularity of Britain was first shown by
            Agricola, who sent his fleet round it. --Pinkerton.

   2. Narrowness or illiberality of opinion; prejudice;
      exclusiveness; as, the insularity of the Chinese or of the
      aristocracy.

Source : WordNet®

insularity
     n : the state of being isolated or detached; "the insulation of
         England was preserved by the English Channel" [syn: {insulation},
          {insularism}, {detachment}]