3
flabby(adjective, stout, overweight, plump, portly)
3
flagrant(adjective, great, big, grand, size)
3
fleshy(adjective, big, heavy, large, stout)
3
formidable(adjective, hard, great, difficult, big)
3
giant like(expression, idiom, size, huge, giant)
3
gigantically(adjective, large, huge, giant, tremendous)
3
heavyset(adjective, big, heavy, large, stout)
3
howling(adjective, great, big, large, grand)
3
humungous(adjective, big, large, grand, giant)
3
immane(adjective, large, huge, giant, tremendous)
3
inflated(adjective, big, heavy, large, stout)
3
jelly-belly(adjective, big, heavy, large, stout)
3
king-sized(adjective, great, big, grand, success)
3
lard(adjective, big, heavy, large, stout)
3
largest(adjective, big, huge, grand size)
3
macroscopic(adjective, large, huge, giant, oversize)
3
meaty(adjective, big, heavy, large, stout)
3
obese(adjective, big, heavy, large, stout)
3
oceanic(adjective, great, big, grand, huge)
3
outstanding(adjective, great, big, famous, success)
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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>