Dictionary.com
Thesaurus.com
Synonyms

imperious

American  
[im-peer-ee-uhs] / ɪmˈpɪər i əs /

adjective

  1. domineering in a haughty manner; dictatorial; overbearing: an imperious person.

    an imperious manner;

    an imperious person.

    Synonyms:
    arrogant, despotic, tyrannical
    Antonyms:
    submissive
  2. urgent; imperative.

    imperious need.

    Synonyms:
    necessary
    Antonyms:
    unnecessary

imperious British  
/ ɪmˈpɪərɪəs /

adjective

  1. domineering; arrogant; overbearing

  2. rare urgent; imperative

"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

Other Word Forms

Derived Forms

Etymology

Origin of imperious

First recorded in 1535–45; from Latin imperiōsus “commanding, tyrannical,” equivalent to imperi(um) imperium + -ōsus -ous

Explanation

Someone who is imperious gives orders in a way that shows they feel superior or more important than other people. You might want the smartest kid in the class as your lab partner, but not if they have an imperious attitude and boss you around. Near synonyms are arrogant, overbearing, and domineering. The adjective imperious is from Latin imperiōsus, from imperium "command, supreme power, empire." This Latin word is also the ultimate source of English empire, "a group of countries or territories controlled by a single ruler or one government."

Keep Reading on Vocabulary.com

Vocabulary lists containing imperious

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In Gainsborough’s painting Germain looks imperious and impenitent.

From The Wall Street Journal • Jun. 13, 2026

Virat Kohli's imperious unbeaten 75 helped Royal Challengers Bengaluru to a five-wicket win over Gujarat Titans in the Indian Premier League final which secured back-to-back titles.

From BBC • May 31, 2026

He explains why Meryl Streep’s imperious magazine editor in “The Devil Wears Prada” is one of the few female characters in Hollywood to wear glasses in a favorable way.

From The Wall Street Journal • May 7, 2026

He ran afoul of some in the orchestra and of its imperious head, Ernest Fleischmann.

From Los Angeles Times • Apr. 24, 2026

With an imperious gesture, he snatched the gray cloth off the open flap and gazed downward into the mystery.

From "I Know Why the Caged Bird Sings" by Maya Angelou

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "imperious" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com