82 entries under big topic. ×

2
noteworthy(adjective, important, outstanding, significant)
2
something(important, significant, substantial, valuable)
1
conspicuous(adjective, unusual, important, exceptional)
1
determining(important, significant, substantial, serious)
1
distinguished(important, outstanding, significant, substantial)
1
doozie(important, outstanding, significant, substantial)
1
dynamite(important, significant, substantial, large)
1
exceptional(adjective, unusual, important, significant)
1
exigent(significant, substantial, valuable, vital)
1
extensive(significant, substantial, large, valuable)
1
front-page(significant, substantial, valuable, vital)
1
heavyweight(great, heavy, important, significant)
1
imperative(important, substantial, serious, valuable)
1
importunate(significant, substantial, valuable, vital)
1
marked(significant, substantial, large, valuable)
1
massive(heavy, significant, substantial, large)
1
mattering much(expression, significant, substantial, valuable)
1
mondo(important, significant, substantial, large)
1
necessary(adjective, important, significant, substantial)
1
no-nonsense(adjective, dull, quiet, severe)
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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>