82 entries under heavy topic. ×

1
material(adjective, strong, hard, solid, big)
1
plumpish(adjective, big, round, stout)
1
porcine(adjective, solid, big, awkward)
1
significant(big, substantial, large, considerable)
1
whalelike(adjective, big, large, stout)
1
zaftig(solid, awkward, substantial, stout)
0
big deal(expression, big, substantial)
0
critical(big, substantial)
0
crucial(big, substantial)
0
earnest(big, substantial)
0
heavy-laden
0
life and death(expression, idiom, big, substantial)
0
meaningful(big, significant, substantial, large)
0
momentous(big, significant, substantial, large)
0
no-nonsense(big, substantial)
0
portentous(big, substantial)
0
sedate(big, substantial)
0
sober(big, substantial)
0
solemn(big, substantial)
0
somber(big, cruel, substantial, domineering)
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APASmart Define. (2015). hefty thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hefty/thesaurus/synonyms
ChicagoSmart Define. 2015. "hefty thesaurus" https://smartdefine.org/hefty/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, hefty thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hefty/thesaurus/synonyms>.
MLASmart Define. "hefty thesaurus" 17 July 2015. Web. 23 September 2026. <https://smartdefine.org/hefty/thesaurus/synonyms>