4
wide(adjective, big, huge, grand size)
3
baggy(adjective, large, huge, giant, colossal)
3
abysmal(adjective, big, huge, grand size)
3
ace(adjective, great, big, famous, success)
3
ambitious(tough, severe, painful, size, huge)
3
arduous(hard, tough, severe, difficult, big)
3
big-time(adjective, great, big, famous, success)
3
boundless(adjective, big, huge, grand size)
3
bovine(adjective, big, heavy, large, stout)
3
bulging(adjective, big, heavy, large, stout)
3
butterball(adjective, big, heavy, large, stout)
3
chubby(adjective, stout, overweight, plump, portly)
3
chunky(adjective, big, heavy, large, stout)
3
considerable(adjective, big, large, grand, huge)
3
corpulent(adjective, big, heavy, large, stout)
3
decuman(adjective, large, huge, giant, oversize)
3
distended(adjective, big, heavy, large, stout)
3
dumpy(adjective, big, heavy, large, stout)
3
extra-large(adjective, big, huge, grand size)
3
extraordinary(adjective, great, large, success, 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>