[im-peer-ee-uh m]

noun, plural im·pe·ri·a [im-peer-ee-uh] /ɪmˈpɪər i ə/, im·pe·ri·ums.

command; supreme power.
area of dominion; sphere of control or monopoly; empire.
a nation having or exerting supreme power; superpower.
Law. the right to command the force of the state in order to enforce the law.

Nearby words

  1. imperialistic,
  2. imperially,
  3. imperil,
  4. imperious,
  5. imperishable,
  6. impermanence,
  7. impermanent,
  8. impermeable,
  9. impermissible,
  10. impers.

Origin of imperium

1645–55; < Latin: supreme administrative power, authority, empire, equivalent to imper(āre) to rule (see imperative) + -ium -ium Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for imperium

British Dictionary definitions for imperium


noun plural -ria (-rɪə)

(in ancient Rome) the supreme power, held esp by consuls and emperors, to command and administer in military, judicial, and civil affairs
the right to command; supreme power
a less common word for empire

Word Origin for imperium

C17: from Latin: command, empire, from imperāre to command; see emperor

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for imperium



1650s, from Latin imperium "command, supreme authority, power" (see empire).

Online Etymology Dictionary, © 2010 Douglas Harper