5
mountainous(adjective, big, giant)
5
prodigious(adjective, big, giant)
5
stupendous(adjective, big, giant)
5
tremendous(adjective, big, giant)
5
vast(adjective, big, giant)
4
Brobdingnagian(adjective, big, giant)
4
heavy
4
herculean(adjective, big, giant)
4
large(adjective, size)
4
mighty(adjective, big, size, giant)
4
monstrous(adjective, informal, big, giant)
4
monumental(adjective, big, giant)
3
cyclopean(adjective, big, giant)
3
hulking(adjective, giant)
3
jumbo(adjective, big, giant)
3
mastodonic(adjective, big, giant)
3
pythonic(adjective, big, giant)
3
voluminous(adjective, size)
2
Bunyanesque(adjective, big, giant)
2
ample(adjective, size)
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APASmart Define. (2015). massy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/massy/thesaurus/synonyms
ChicagoSmart Define. 2015. "massy thesaurus" https://smartdefine.org/massy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, massy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/massy/thesaurus/synonyms>.
MLASmart Define. "massy thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/massy/thesaurus/synonyms>