24
gigantic(adjective, great, big, large, size)
24
gargantuan(adjective, large)
23
immense(adjective, great, big, large, size)
21
huge(adjective, great, big, large, size)
20
enormous(adjective, great, big, large, size)
19
prodigious(adjective, great, big, large, size)
18
titanic(adjective, great, big, large, size)
17
tremendous(adjective, great, large, huge, vast)
13
jumbo(adjective, great, big, large, size)
13
vast(adjective, great, big, large, size)
12
colossal(adjective, great, informal, big, large)
12
elephantine(adjective, big, large, size, huge)
12
large(adjective, great, informal, big, large)
12
mammoth(adjective, great, big, large, size)
12
massive(adjective, great, big, large, huge)
10
cyclopean(adjective, giant)
10
whopping(adjective, great, big, large, huge)
10
monumental(adjective, great, big, large, size)
8
giant(adjective, great, informal, big, large)
7
Brobdingnagian(adjective, big, huge, vast, monstrous)
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APASmart Define. (2015). humongous thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/humongous/thesaurus/synonyms
ChicagoSmart Define. 2015. "humongous thesaurus" https://smartdefine.org/humongous/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, humongous thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/humongous/thesaurus/synonyms>.
MLASmart Define. "humongous thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/humongous/thesaurus/synonyms>