12
elephantine(adjective, big, large, size, huge)
12
fearful(adjective, awful, terrible, wicked, horrible)
12
macabre(adjective, nasty, awful, vile, vulgar)
12
nauseating(adjective, endured)
12
obnoxious(adjective, appearance, dislike, disgusting, ugly)
12
scandalous(adjective, right, awful, vile, wicked)
12
strange(adjective, extraordinary, awful, terrible, marvelous)
11
abhorrent(adjective, severe, vile, extreme, atrocious)
11
fantastic(adjective, great, large, absurd, huge)
11
fiendish(adjective, wicked, shocking, unnatural)
11
flagrant(adjective, awful, terrible, horrible, afraid)
11
gross(adjective, nasty, low, offensive, base)
11
iniquitous(adjective, evil, terrible, wicked, immoral)
11
morbid(adjective, nasty, awful, terrible, gloomy)
11
towering(adjective, awful, terrible, horrible, large)
11
wretched(adjective, awful, terrible, wicked, horrible)
10
base(adjective, adverb, low, offensive, violent)
10
extreme(adjective, great, severe, serious, absurd)
10
great(adjective, large, huge, vast, fabulous)
10
harrowing(adjective, awful, terrible, horrible, afraid)
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APASmart Define. (2016). monstrous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/monstrous/thesaurus/synonyms
ChicagoSmart Define. 2016. "monstrous thesaurus" https://smartdefine.org/monstrous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, monstrous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/monstrous/thesaurus/synonyms>.
MLASmart Define. "monstrous thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/monstrous/thesaurus/synonyms>