36
gigantic(adjective, great, big, large, size)
36
enormous(adjective, great, big, large, size)
35
gargantuan(adjective, big, large, huge)
34
huge(adjective, great, big, large, size)
33
colossal(adjective, great, big, large, size)
31
titanic(noun, adjective, great, big, large)
31
immense(adjective, great, big, large, size)
31
giant(noun, adjective, person, big, large)
30
massive(adjective, great, big, large, huge)
28
tremendous(adjective, great, big, large, huge)
25
vast(adjective, great, big, large, size)
24
elephantine(adjective, big, large, size, huge)
24
jumbo(noun, adjective, person, great, big)
19
prodigious(adjective, great, big, large, size)
17
monstrous(adjective, great, big, large, size)
17
stupendous(adjective, great, big, large, size)
16
large(adjective, great, awkward, large, huge)
14
monumental(adjective, great, big, large, size)
12
Brobdingnagian(adjective, big, huge, vast, immense)
12
great(adjective, difficult, large, huge, vast)
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APASmart Define. (2016). mammoth thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/mammoth/thesaurus/synonyms
ChicagoSmart Define. 2016. "mammoth thesaurus" https://smartdefine.org/mammoth/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, mammoth thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/mammoth/thesaurus/synonyms>.
MLASmart Define. "mammoth thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/mammoth/thesaurus/synonyms>