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Synonyms

hideous

American  
[hid-ee-uhs] / ˈhɪd i əs /

adjective

  1. horrible or frightful to the senses; repulsive; very ugly.

    a hideous monster.

    Synonyms:
    ghastly, appalling, dreadful, monstrous, odious, detestable, repellent, grim, grisly
    Antonyms:
    attractive, pleasing
  2. shocking or revolting to the moral sense.

    a hideous crime.

    Synonyms:
    ghastly, appalling, dreadful, monstrous, odious, detestable, repellent, grim, grisly
  3. distressing; appalling.

    the hideous expense of moving one's home to another city.


hideous British  
/ ˌhɪdɪˈɒsɪtɪ, ˈhɪdɪəs /

adjective

  1. extremely ugly; repulsive

    a hideous person

  2. terrifying and horrific

"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

  • hideosity noun
  • hideously adverb
  • hideousness noun
  • unhideous adjective
  • unhideously adverb
  • unhideousness noun

Etymology

Origin of hideous

1275–1325; Middle English hidous < Old French hisdos, equivalent to hisde horror, fright (perhaps < Old High German *egisida, akin to egisôn, agison to frighten) + -os -ous; suffix later assimilated to -eous

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.

No Triple Crown, no hope of winning the Six Nations title, no end to their hideous run of defeats against Ireland - now standing at 12 and with no discernible sign of it stopping there.

From BBC • Mar. 14, 2026

He walked seven batters every nine innings, which is hideous.

From Los Angeles Times • Mar. 3, 2026

Rathnayake charged him a ball later and was caught skying a hideous swipe.

From BBC • Feb. 22, 2026

The accompanying photo portraits are mostly hideous, in Ms. Wiles’s case also ill-mannered and unkind.

From The Wall Street Journal • Dec. 18, 2025

“The whole period was one prolonged, hideous nightmare.”

From "Ambushed!" by Gail Jarrow