im·pe·ri·ous /ɪmˈpɪriəs/
  (a.)專橫的,傲慢的,迫切的
  Im·pe·ri·ous a.
  1. Commanding; ascendant; imperial; lordly; majestic. [Obs.] “A vast and imperious mind.”
  Therefore, great lords, be, as your titles witness,
  Imperious.   --Shak.
  2. Haughly; arrogant; overbearing; as, an imperious tyrant; an imperious manner.
  This imperious man will work us all
  From princes into pages.   --Shak.
     His bold, contemptuous, and imperious spirit soon made him conspicuous.   --Macaulay.
  3. Imperative; urgent; compelling.
     Imperious need, which can not be withstood.   --Dryden.
  Syn: -- Dictatorial; haughty; domineering; overbearing; lordly; tyrannical; despotic; arrogant; imperative; authoritative; commanding; pressing.
  Usage: -- Imperious, Lordly, Domineering. One who is imperious exercises his authority in a manner highly offensive for its spirit and tone; one who is lordly assumes a lofty air in order to display his importance; one who is domineering gives orders in a way to make others feel their inferiority.
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  imperious
       adj : able to deal authoritatively with affairs; "dismissed the
             matter with an imperious wave of her hand" [syn: masterful]