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egregious

American  
[ih-gree-juhs, -jee-uhs] / ɪˈgri dʒəs, -dʒi əs /

adjective

  1. extraordinary in some bad way; glaring; flagrant.

    an egregious mistake; an egregious liar.

    Synonyms:
    shocking, notorious, outrageous, gross
    Antonyms:
    unnoticeable, minor, moderate, tolerable
  2. Archaic. distinguished or eminent.


egregious British  
/ -dʒɪəs, ɪˈɡriːdʒəs /

adjective

  1. outstandingly bad; flagrant

    an egregious lie

  2. archaic distinguished; eminent

"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

  • egregiously adverb
  • egregiousness noun
  • nonegregious adjective
  • nonegregiously adverb
  • nonegregiousness noun
  • unegregious adjective
  • unegregiously adverb
  • unegregiousness noun

Etymology

Origin of egregious

First recorded in 1525–35; from Latin ēgregius “preeminent, outstanding,” equivalent to ē- + greg-, stem of grēx “flock” + -ius adjective suffix; e- 1, -ous

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.

There has been at least one particularly egregious case of AI manipulation by an Airbnb host in the U.S.

From MarketWatch • Apr. 3, 2026

“That is how egregious and bold some of these fraudsters are,” Essayli said.

From Los Angeles Times • Apr. 2, 2026

Some went as far as suggesting they turn themselves into the police for their egregious assertions.

From The Wall Street Journal • Mar. 17, 2026

We nod along with them as we recall the egregious price we recently paid at the store for eggs and a gallon of milk.

From Barron's • Mar. 14, 2026

The more egregious the rating agencies’ mistakes, the bigger the opportunity for the Wall Street trading desks.

From "The Big Short" by Michael Lewis