127 entries under substantial topic. ×

1
actual
1
bodily
1
conspicuous(adjective, big, unusual, important, exceptional)
1
decisive(important, significant, valuable, essential)
1
determining(big, important, significant, serious)
1
distinguished(big, important, outstanding, significant)
1
doozie(big, important, outstanding, significant)
1
dynamite(big, important, significant, large)
1
epigrammatic(sharp, short, compact, brief)
1
exceptional(adjective, big, unusual, important, significant)
1
exigent(big, significant, valuable, vital)
1
extensive(big, significant, large, valuable)
1
forcible(strong, open, heavy, powerful, sensitive)
1
front-page(big, significant, valuable, vital)
1
fundamental(important, serious, essential, critical)
1
goodly(significant, large, considerable)
1
heavyweight(great, big, heavy, important, significant)
1
immanent
1
imperative(big, important, serious, valuable)
1
importunate(big, significant, valuable, vital)
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APASmart Define. (2016). meaningful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/meaningful/thesaurus/synonyms
ChicagoSmart Define. 2016. "meaningful thesaurus" https://smartdefine.org/meaningful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, meaningful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/meaningful/thesaurus/synonyms>.
MLASmart Define. "meaningful thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/meaningful/thesaurus/synonyms>