'Imperious' definitions:

Definition of 'imperious'

(from WordNet)
adjective
Having or showing arrogant superiority to and disdain of those one views as unworthy; "some economists are disdainful of their colleagues in other social disciplines"; "haughty aristocrats"; "his lordly manners were offensive"; "walked with a prideful swagger"; "very sniffy about breaches of etiquette"; "his mother eyed my clothes with a supercilious air"; "a more swaggering mood than usual"- W.L.Shirer [syn: disdainful, haughty, imperious, lordly, overbearing, prideful, sniffy, supercilious, swaggering]

Definition of 'Imperious'

From: GCIDE
  • Imperious \Im*pe"ri*ous\, a. [L. imperiosus: cf. F. imp['e]rieux. See Imperial.]
  • 1. Commanding; ascendant; imperial; lordly; majestic. [Obs.] "A vast and imperious mind." --Tilloison. [1913 Webster]
  • Therefore, great lords, be, as your titles witness, Imperious. --Shak. [1913 Webster]
  • 2. Haughly; arrogant; overbearing; as, an imperious tyrant; an imperious manner. [1913 Webster]
  • This imperious man will work us all From princes into pages. --Shak. [1913 Webster]
  • His bold, contemptuous, and imperious spirit soon made him conspicuous. --Macaulay. [1913 Webster]
  • 3. Imperative; urgent; compelling. [1913 Webster]
  • 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. [1913 Webster]