7
galactic(adjective, big, grand, huge, colossal)
7
gross(adjective, big, large, grand, huge)
7
king-size(adjective, great, big, grand, huge)
7
massy(adjective, big, grand, giant)
7
outsize(adjective, big, large, size, huge)
7
princely(adjective, large, grand, impressive, overwhelming)
7
roomy(adjective, big, large, grand, huge)
7
weighty(adjective, large, grand, huge, stout)
7
whacking(adjective, great, big, grand, huge)
6
astronomical(adjective, big, grand, huge, colossal)
6
behemoth(adjective, great, big, large, grand)
6
bull(adjective, big, large, huge, stout)
6
burly(adjective, big, large, huge, stout)
6
cavernous(adjective, great, big, large, huge)
6
dignified(adjective, big, grand, huge, impressive)
6
elevated(adjective, big, grand, huge, impressive)
6
exalted(adjective, big, grand, huge, impressive)
6
giantlike(adjective, great, big, large, grand)
6
gigantean(adjective, big, large, size, huge)
6
gigantesque(adjective, big, large, grand, huge)
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APASmart Define. (2016). gargantuan thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/gargantuan/thesaurus/synonyms
ChicagoSmart Define. 2016. "gargantuan thesaurus" https://smartdefine.org/gargantuan/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, gargantuan thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/gargantuan/thesaurus/synonyms>.
MLASmart Define. "gargantuan thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/gargantuan/thesaurus/synonyms>