3
solemn(grand, impressive, overwhelming, imposing)
3
thundering
3
untold(adjective, many)
3
wide(great, big, huge)
2
abundant(great, big, huge)
2
amplitudinous
2
athletic
2
awful(great, huge, fabulous, massive, incredible)
2
bad
2
behemoth(adjective, big)
2
comprehensive(adjective, great, big, large, huge)
2
considerable(strong, great, big, powerful, excessive)
2
egregious
2
endless(adjective, huge, vast, immense, massive)
2
exaggerated
2
excessive(great, big, high, huge, tall)
2
exorbitant(great, big, excessive, huge, sky-high)
2
expansive(adjective, large)
2
extreme(great, high, excessive, huge, tall)
2
fabulous(great, amazing, astonishing, astounding, incredible)
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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>