Domineering, arrogant, or overbearing. / Urgent. / (obsolete) Imperial or regal.

The quality of being imperious

In an imperious manner; in the style of an emperor. / In a way that brooks no refusal; commandingly.

plural of imperiousness

Related to an empire, emperor, or empress. / Relating to the British imperial system of measurement. / Very grand or fine. / Of special, superior, or unusual size or excellence.

A bottle of wine (usually Bordeaux) containing 6 liters of fluid, eight times the volume of a standard bottle.

The policy of forcefully extending a nation's authority by territorial gain or by the establishment of economic and political dominance over other nations.

In an imperial manner.

plural of imperial

To invest with imperial authority, character, or style. / To bring to the form of an empire.