65 entries under considerable topic. ×

6
obese(adjective, solid, big, heavy, awkward)
5
portly(adjective, strong, solid, big, heavy)
3
gross(adjective, great, big, heavy, awkward)
3
sound(adjective, strong, hard, tough, fit)
3
vast(great, big, significant, large, grand)
2
boundless(big, large, grand, huge, major)
2
elephantine(adjective, big, heavy, awkward, substantial)
1
across the board(expression, idiom, big, huge, major)
1
blanket(big, large, grand, huge, major)
1
capacious(great, big, substantial, large, huge)
1
commodious(big, substantial, large, grand, huge)
1
comprising(big, large, grand, huge, major)
1
consequential(big, heavy, significant, substantial, large)
1
expanded(big, large, grand, huge, major)
1
firm(adjective, strong, hard, sound, tough)
1
generous(great, big, significant, substantial, large)
1
indiscriminate(big, large, grand, huge, major)
1
lengthy(big, large, grand, huge, major)
1
long(big, awkward, large, grand, huge)
1
material(adjective, strong, hard, solid, big)
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APASmart Define. (2015). hefty thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/hefty/thesaurus/synonyms
ChicagoSmart Define. 2015. "hefty thesaurus" https://smartdefine.org/hefty/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, hefty thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/hefty/thesaurus/synonyms>.
MLASmart Define. "hefty thesaurus" 17 July 2015. Web. 21 September 2026. <https://smartdefine.org/hefty/thesaurus/synonyms>