3
gargantuan
2
Herculean
2
mammoth(adjective, plentiful)
2
titanic
1
Cyclopean
1
big
1
colossal
1
enormous
1
giant
1
gigantic
1
huge
1
humongous
1
immense
1
jumbo(adjective, plentiful)
1
massive
1
stupendous
1
towering
1
tremendous
1
vast
0
Brobdingnagian
<12>
13 years ago|1.5k views|share |citing 
APASmart Define. (2013). extra-large thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/extra-large/thesaurus/synonyms
ChicagoSmart Define. 2013. "extra-large thesaurus" https://smartdefine.org/extra-large/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, extra-large thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/extra-large/thesaurus/synonyms>.
MLASmart Define. "extra-large thesaurus" 18 May 2013. Web. 21 September 2026. <https://smartdefine.org/extra-large/thesaurus/synonyms>