Im‐pe″ri‐ous (?), a. [L. imperiosus: cf. F. impérieux. See Imperial.] 1. Commanding; ascendant; imperial; lordly; majestic. “A vast and imperious mind.” Tilloison.
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. — 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.