2
largish(adjective, sizable)
2
leviathan
2
limitless(adjective, huge, vast, endless, immense)
2
long(big, awkward, large, huge, cumbersome)
2
lubberly
2
mastodonic(adjective, big, giant)
2
mortal(huge, vast, copious)
2
nonporous
2
oversize(adjective, big)
2
portly(big, heavy, awkward, noble, substantial)
2
pythonic(adjective, big, giant)
2
serried
2
soaring(adjective, high, large, huge, lofty)
2
spatial
2
stable(significant, large, considerable)
2
steady(significant, large, considerable)
2
stocky(adjective, person, body, hard, deep)
2
super(great, big, huge, vast, fabulous)
2
terrific(adjective, great, huge, fabulous, incredible)
2
unbounded(adjective, huge, vast, endless, immense)
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APASmart Define. (2016). massive thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/massive/thesaurus/synonyms
ChicagoSmart Define. 2016. "massive thesaurus" https://smartdefine.org/massive/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, massive thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/massive/thesaurus/synonyms>.
MLASmart Define. "massive thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/massive/thesaurus/synonyms>