62 entries under solid topic. ×

35
hefty(adjective, hard, difficult, harsh)
34
important(adjective, good, strong, great, tough)
33
significant(adjective, good, clear, strong, great)
32
momentous(adjective, good, clear, strong, tough)
26
substantial(adjective, good, strong, sound, right)
24
heavy(adjective, tough, severe, difficult, harsh)
21
big(adjective, good, importance, heavy)
20
burly(adjective, hard, difficult, heavy)
16
powerful(adjective, good, clear, strong, great)
13
obese(adjective, big, heavy, awkward)
12
corpulent(adjective, big, heavy, awkward)
12
persuasive(adjective, good, clear, strong, great)
12
potent(adjective, good, clear, strong, great)
11
fat(adjective, big, heavy, important)
11
strong(adjective, good, clear, sound, right)
10
overweight(adjective, big, heavy, awkward)
9
fleshy(adjective, big, heavy, awkward)
9
stout(adjective, big, heavy, important)
9
valid(adjective, clear, sound, right, reasonable)
8
portly(adjective, big, heavy, awkward)
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APASmart Define. (2015). weighty thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/weighty/thesaurus/synonyms
ChicagoSmart Define. 2015. "weighty thesaurus" https://smartdefine.org/weighty/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, weighty thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/weighty/thesaurus/synonyms>.
MLASmart Define. "weighty thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/weighty/thesaurus/synonyms>