135 entries under big topic. ×

18
giant(adjective, great, large, huge)
18
jumbo(adjective, great, substantial, large)
18
voluminous(adjective, great, substantial, large)
16
cumbersome(adjective, solid, heavy, awkward)
16
extensive(adjective, great, substantial, large)
16
whopping(adjective, great, slang, substantial)
15
Brobdingnagian(adjective, huge, vast, immense)
13
monstrous(adjective, great, large, huge)
13
mountainous(adjective, great, large, grand)
13
stupendous(adjective, great, huge, lofty)
11
humongous(adjective, great, large, huge)
10
ample(adjective, great, heavy, substantial)
10
cyclopean(adjective, giant)
9
capacious(adjective, great, substantial, large)
9
grand(adjective, strong, great, powerful)
9
gross(adjective, heavy, awkward, substantial)
9
spacious(adjective, great, substantial, large)
8
dense(adjective, person, body, heavy)
8
grandiose(adjective, great, noble, large)
8
walloping(adjective, informal, large)
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APASmart Define. (2016). massive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/massive/thesaurus/synonyms
ChicagoSmart Define. 2016. "massive thesaurus" https://smartdefine.org/massive/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, massive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/massive/thesaurus/synonyms>.
MLASmart Define. "massive thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/massive/thesaurus/synonyms>