47
gigantic(adjective, big, large, grand, size)
47
enormous(adjective, big, large, grand, size)
46
huge(adjective, big, large, grand, size)
44
titanic(adjective, great, big, large, grand)
40
massive(adjective, big, large, grand, huge)
38
mammoth(adjective, big, large, grand, size)
37
colossal(adjective, big, large, size, huge)
36
immense(adjective, big, large, grand, size)
33
jumbo(adjective, great, big, large, grand)
32
tremendous(adjective, big, large, grand, huge)
29
prodigious(adjective, great, big, large, grand)
29
vast(adjective, great, big, large, grand)
28
elephantine(adjective, big, large, grand, size)
28
giant(adjective, big, large, grand, size)
27
whopping(adjective, great, slang, big, large)
25
large(adjective, big, large, grand, size)
22
big(adjective, large, size, huge, stout)
22
monstrous(adjective, big, large, grand, size)
21
humongous(adjective, great, big, large, grand)
20
monumental(adjective, big, large, grand, size)
<1234510>
10 years ago|10k views|share |citing 
APASmart Define. (2016). Gargantuan thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/gargantuan/thesaurus/synonyms
ChicagoSmart Define. 2016. "Gargantuan thesaurus" https://smartdefine.org/gargantuan/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, Gargantuan thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/gargantuan/thesaurus/synonyms>.
MLASmart Define. "Gargantuan thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/gargantuan/thesaurus/synonyms>