Hideous | Definition of hideous by Merriam-Webster

Full Definition of HIDEOUS

1

: offensive to the senses and especially to sight : exceedingly ugly

2

: morally offensive : shocking

— hid·eos·ity \ˌhi-dē-ˈä-sə-tē\ noun

— hid·eous·ly adverb

— hid·eous·ness noun

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alteration of Middle English hidous, from Anglo-French hidus, hisdos, from Old French hisde, hide terror

First Known Use: 14th century

Synonyms: abhorrent, abominable, appalling, awful, disgusting, distasteful, dreadful, evil, foul, fulsome, gross, offensive, horrendous, horrible, horrid, loathsome, nasty, nauseating, nauseous, noisome, noxious, obnoxious, obscene, odious, rancid, repellent (also repellant), repugnant, repulsive, revolting, scandalous, shocking, sickening, ugly

: very ugly or disgusting : frightful

— hid·eous·ly adverb

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