monstrous Synonyms

atrocious grotesque terrific ruthless revolting repulsive repugnant reptilian prodigious preposterous pharaonic satanic satanical terrible teratoid swingeing stupendous simous sickening shocking scandalous scalene perishing oversize misshapen miscreated mighty mega massy massive mangled mammoth loathsome monster monumental overgrown outrageous odious nefarious mutilated murderous mountainous mountain morbid leviathan titanic unprepossessing macabre full-size nightmarish