10
monster(adjective, big, large, size, huge)
9
grand(adjective, strong, great, big, powerful)
8
ample(adjective, great, big, large, huge)
8
capacious(adjective, great, big, large, huge)
8
grandiose(adjective, great, big, large, grand)
8
high(adjective, strong, great, powerful, large)
8
spacious(adjective, great, big, large, huge)
7
broad(strong, great, solid, big, large)
7
elevated(adjective, great, high, grand, height)
7
titan(adjective, feature, characteristic, large, size)
7
walloping(adjective, informal, big)
6
tall(adjective, big, high, excessive, huge)
6
awesome(adjective, great, amazing, large, grand)
6
infinite(adjective, size, huge, vast, immense)
6
staggering(adjective, amazing, astonishing, hidden, astounding)
6
thumping(adjective, great, big, huge)
5
exalted(grand, height, impressive, overwhelming, imposing)
5
gross(adjective, informal, big, large, huge)
5
heroic(adjective, big)
5
immeasurable(adjective, great, big, huge, vast)
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APASmart Define. (2016). gigantic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/gigantic/thesaurus/synonyms
ChicagoSmart Define. 2016. "gigantic thesaurus" https://smartdefine.org/gigantic/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, gigantic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/gigantic/thesaurus/synonyms>.
MLASmart Define. "gigantic thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/gigantic/thesaurus/synonyms>