Synonyms of horrid

1 Syllable
foul, gross, fouls, grim
2 Syllables
piller, odious, heeler, annoying, lurid, squalid, spookish, dreadful, dismal, evil, foulest, grabber, fouled, biting, ghastlier, ugliest, uglier, nastier, viler, ghastly, grisly, sickie, vilest, grimmer, morbid, fouler, grimmest, cutting, hideous, nasty, nastiest, ugly
3 Syllables
direful, insolent, gruesome, discourteous, atrocious, revolting, horrific, terrifying, nightmarish, obnoxious, horrible, noisome, horrendous, bloodcurdling, disgusting, terrible, traumatic, appalling, invidious, off-putting, sleazeball, hateful, hateable, abhorrent, ghostlike, offputting, bad-looking, macabre, repugnant, unsightly
4 Syllables
detestable, impertinent, disagreeable, repulsive, unalluring, irritating, unspeakable, offensive, embarrassing, abusive, distasteful, hard-featured, unbeautiful
5 Syllables
undescribable, unconformable, abominable, inexpressible, indefinable, unattractive, insalutary, unprepossessing, unutterable
6 Syllables
incommunicable