frightful Synonyms

terrible horrible fearful awful ugly dreadful tremendous horrid horrifying atrocious shocking alarming scary repulsive rotten revolting repugnant sickening repellent redoubtable petrifying miscreated misshapen monstrous morbid nasty nauseating objectionable obnoxious odious offensive peracute minatory teratoid terrific god-awful unappetizing bloodcurdling hair-raising nightmarish repellant macabre off-putting unsightly unimposing unsavory vile unspeakable terrifying tigerish