65 entries under considerable topic. ×

1
pervasive(big, large, grand, huge, major)
1
plentiful(great, big, significant, substantial, large)
1
porcine(adjective, solid, big, heavy, awkward)
1
protracted(big, large, grand, huge, major)
1
roomy(great, big, large, grand, huge)
1
significant(big, heavy, substantial, large)
1
spacious(great, big, substantial, large, huge)
1
stable(adjective, strong, hard, solid, big)
1
unexclusive(big, large, grand, huge, major)
1
unrestricted(big, large, grand, huge, major)
1
wall to wall(expression, idiom, big, huge, major)
1
wholesale(big, large, grand, huge, major)
1
wide-ranging(big, large, grand, huge, major)
0
big-deal(significant, large)
0
durable(strong, solid, significant, large, robust)
0
extraordinary(significant, large)
0
key(significant, large)
0
major-league(significant, large)
0
meaningful(big, heavy, significant, substantial, large)
0
momentous(big, heavy, significant, substantial, large)
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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>