资料来源 : Webster's Revised Unabridged Dictionary (1913)

Imperiousnes \Im*pe"ri*ous*nes\, n.
   The quality or state of being imperious; arrogance;
   haughtiness.

         Imperiousness and severity is but an ill way of
         treating men who have reason of their own to guide
         them.                                    --Locke.