37
hulking(adjective, feature, characteristic, size)
35
largest(adjective, feature, characteristic, size)
35
mountain(adjective, feature, characteristic, size)
35
strong(adjective, feature, characteristic, size)
35
swingeing(adjective, feature, characteristic, size)
33
cruel(adjective, severe, evil, nasty, low)
32
heinous(adjective, right, evil, awful, terrible)
32
horrible(adjective, awful, terrible, shocking, afraid)
31
dreadful(adjective, awful, terrible, wicked, horrible)
30
grotesque(adjective, appearance, evil, dislike, strange)
30
frightful(adjective, appearance, great, evil, nasty)
29
horrid(adjective, nasty, offensive, awful, violent)
29
abominable(adjective, evil, nasty, low, offensive)
29
appalling(adjective, great, severe, awful, terrible)
29
awful(adjective, great, severe, nasty, offensive)
27
horrendous(adjective, awful, terrible, horrible, shocking)
24
terrible(adjective, bad, great, evil, awful)
23
evil(adjective, evil, nasty, harsh, awful)
23
foul(adjective, adverb, evil, nasty, low)
23
gruesome(adjective, awful, terrible, horrible, shocking)
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APASmart Define. (2016). monstrous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/monstrous/thesaurus/synonyms
ChicagoSmart Define. 2016. "monstrous thesaurus" https://smartdefine.org/monstrous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, monstrous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/monstrous/thesaurus/synonyms>.
MLASmart Define. "monstrous thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/monstrous/thesaurus/synonyms>