1. horrible or frightful to the senses; repulsive; very ugly: a hideous monster.
  2. shocking or revolting to the moral sense: a hideous crime.
  3. distressing; appalling: the hideous expense of moving one's home to another city.

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
Related formshid·e·ous·ly, adverbhid·e·ous·ness, hid·e·os·i·ty [hid-ee-os-i-tee] /ˌhɪd iˈɒs ɪ ti/, nounun·hid·e·ous, adjectiveun·hid·e·ous·ly, adverbun·hid·e·ous·ness, noun

Synonyms for hideous

Antonyms for hideous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hideosity

Historical Examples of hideosity

  • The house is the last word of hideosity, but the pictures are rather good.

    Passing By

    Maurice Baring

British Dictionary definitions for hideosity


  1. extremely ugly; repulsivea hideous person
  2. terrifying and horrific
Derived Formshideously, adverbhideousness or hideosity (ˌhɪdɪˈɒsɪtɪ), noun

Word Origin for hideous

C13: from Old French hisdos, from hisde fear; of uncertain origin
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 hideosity

"a very ugly thing," 1807, from hideous on model of monstrosity, etc.



c.1300, "terrifying, horrible, dreadful," from Anglo-French hidous, Old French hideus, earlier hisdos "hideous, horrible, awful, frightening" (11c.; Modern French hideux), from hisda "horror, fear," perhaps of Germanic origin; or else from Vulgar Latin *hispidosus, from Latin hispidus "shaggy, bristly," "[b]ut this presents numerous difficulties" [OED]. Meaning "repulsive" is late 14c.

Online Etymology Dictionary, © 2010 Douglas Harper