Definition of Hideous:

grotesque, horrible

Synonyms of Hideous:

macabre, ghastly, horrendous, abominable, dreadful, horrid, monstrous, disgusting, revolting, terrifying, odious, repulsive, hateful, awful, gruesome, nasty, shocking, grim, terrible, appalling, frightful, ugly, grisly, weird, animal, beast, bestial, detestable, gross, loathsome, morbid, offensive, repellent, repugnant, sick, sickening, unsightly, uncomely

Opposite/Antonyms of Hideous:

gentle, safe, happy, great, agreeable, nice, good, likeable, normal, common, charming, comforting, pretty, beautiful, kind, friendly, attractive, lovable, wonderful, pleasing, pleasant, delightful

Sentence/Example of Hideous: