From Longman Dictionary of Contemporary Englishhideoushid‧e‧ous /ˈhɪdiəs/ adjectiveUGLYextremely unpleasant or ugly
a hideous dress
hideous crimes
Dinnertime that day was hideous. —hideously adverb
Her face was hideously scarred. —hideousness noun [uncountable]Examples from the Corpushideous• In fairy stories the Prince is always very handsome, and the witchhideous.• Everyone knows that hideousaccidents happen, however precisemodernweapons are supposed to be.• Seconds later, the night was made hideous by the shrieks of alarm from the man-apes in the caveabove.• One of our weddingpresents was a hideousclock.• a hideouscrime• Each of the damnedsouls was guarded by a group of hideousdemons.• One goes like this: He was a hideousgiant named Offero, who earned a living carrying travelers across the river.• Exactly how hideous had it been?• Emma was wearing an absolutely hideouspurple and orangedress.• Roosevelt saw first-hand the hideous results of free enterpriseuntouched by government regulation.• He became vast and covered me, covered my face, his hideousthroat working.• a man with a hideoustwistedlipOriginhideous(1300-1400)Old Frenchhidous, from hide“terror”