nightmarish Synonyms

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