9
chimera(noun, fancy, fantasy, dream, curiosity)
9
horror(noun, being, misery, outrage, brute)
9
goliath(noun, person, informal, big, giant)
9
incubus(noun, evil, demon, beast, ghost)
9
massive(adjective, big, large)
9
mutant(noun, being, misery, outrage, horror)
9
savage(noun, being, bully, villain, brute)
8
stupendous(adjective, big, wonderful, amazing, size)
8
colossus(noun, being, size, mountain, brute)
8
leviathan(noun, person, big, being, size)
8
prodigious(adjective, big, amazing, size, huge)
8
vast(adjective, big, amazing, size, huge)
8
ghoul(noun, kind, demon, ghost)
8
hellion(noun, evil, being, villain, brute)
8
immense(adjective, big, size)
8
jumbo(noun, adjective, person, big, size)
8
mongrel(animal, creature, fauna, being, unconformity)
7
mammoth(noun, adjective, person, big, being)
7
dog(noun, animal, creature, fauna, being)
7
hag(noun, adult, ugliness)
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APASmart Define. (2016). monster thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/monster/thesaurus/synonyms
ChicagoSmart Define. 2016. "monster thesaurus" https://smartdefine.org/monster/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, monster thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/monster/thesaurus/synonyms>.
MLASmart Define. "monster thesaurus" 3 April 2016. Web. 21 September 2026. <https://smartdefine.org/monster/thesaurus/synonyms>