79 entries under substantial topic. ×

43
weighty(adjective, hard, difficult, big, heavy)
33
heavy(adjective, dull, quiet, easy, severe)
29
hefty(adjective, hard, great, difficult, big)
19
burly(adjective, hard, great, difficult, complex)
18
bulky(adjective, great, big, heavy, awkward)
13
awkward(adjective, heavy, large, stiff)
11
unwieldy(adjective, heavy, awkward, inept)
10
cumbersome(adjective, easy, severe, harsh, heavy)
9
elephantine(adjective, good, big, heavy, awkward)
9
large(adjective, great, big, heavy, full)
8
big(adjective, great, heavy, significant)
8
dense(adjective, dull, big, heavy)
8
gargantuan(adjective, big, heavy, large)
8
lumbering(adjective, heavy, awkward, inept)
7
cumbrous(adjective, easy, big, heavy, awkward)
5
fat(adjective, great, big, heavy, full)
5
important(adjective, big, heavy, significant)
5
overweight(adjective, big, heavy, awkward)
3
gross(adjective, big, heavy, awkward)
3
momentous(big, heavy, important, significant)
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APASmart Define. (2015). ponderous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ponderous/thesaurus/synonyms
ChicagoSmart Define. 2015. "ponderous thesaurus" https://smartdefine.org/ponderous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, ponderous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ponderous/thesaurus/synonyms>.
MLASmart Define. "ponderous thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/ponderous/thesaurus/synonyms>