78 entries under huge topic. ×

8
mammoth(adjective, great, difficult, big, size)
7
impressive(adjective, strong, great, difficult, excessive)
7
elephantine(adjective, big, size, vast)
6
giant(adjective, big, size, vast)
5
infinite(size, vast, supreme, massive)
5
magnificent(adjective, strong, powerful, high, size)
4
Brobdingnagian(adjective, big, vast, massive)
4
extraordinary(adjective, great, grand, excessive)
4
humongous(adjective, size, vast, massive)
4
imposing(adjective, great, grand, excessive)
4
sizable
4
sublime(high, excessive, greatness, lofty)
3
extensive(adjective, strong, powerful, forceful)
3
gross(greatness, vast, copious, massive)
3
supreme(strong, powerful, head, high)
2
king-size(vast, copious)
2
preeminent(great, head, high, grand)
2
super(vast, massive)
2
superior(high, excessive, chief, principal)
2
tall(high, lofty, soaring)
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APASmart Define. (2016). mighty thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/mighty/thesaurus/synonyms
ChicagoSmart Define. 2016. "mighty thesaurus" https://smartdefine.org/mighty/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, mighty thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/mighty/thesaurus/synonyms>.
MLASmart Define. "mighty thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/mighty/thesaurus/synonyms>