nightmarish Synonyms

bloodcurdling hair-raising sickening shocking scary revolting repulsive nauseating monstrous lurid loathsome horrifying terrible not of this world phantasmagorical introvertive dreamlike macabre terrifying kafkaesque wretched vile unspeakable unearthly horrific horrid dreadful disgusting dire dark creepy awful appalling alarming agonizing abominable eldritch fearful foul horrible horrendous hideous heinous harrowing grisly gruesome ghastly frightful frightening abhorrent