119 entries under substantial topic. ×

1
something else(expression, big, important, significant)
1
standout(big, significant, valuable, vital)
1
super(big, unusual, important, exceptional, significant)
1
super-duper(big, important, significant, large)
1
tidy(significant, large, considerable)
1
to the max(expression, idiom, big, important)
1
underlined(adjective, big, heavy, important)
1
unreal(big, important, significant, large)
1
venerable(big, important, significant, large)
0
appreciable(significant, large)
0
bountiful(significant, large)
0
comfortable(significant, large)
0
commodious(significant, large)
0
large-scale(significant, large, sturdy, robust)
0
lavish(significant, large)
0
respectable(significant, large)
0
rich(significant, loaded, profound)
0
sizeable(significant, large)
0
tolerable(significant, large)
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APASmart Define. (2015). weighty thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/weighty/thesaurus/synonyms
ChicagoSmart Define. 2015. "weighty thesaurus" https://smartdefine.org/weighty/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, weighty thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/weighty/thesaurus/synonyms>.
MLASmart Define. "weighty thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/weighty/thesaurus/synonyms>