Synonyms|55Antonyms|0|Broader|0Narrower|0Related|0
2
important
1
big(significant, substantial, valuable, vital, imperative)
1
big-league(significant, vital, imperative)
1
chief(big, significant, substantial, valuable, vital)
1
considerable(big, significant, substantial, valuable, vital)
1
conspicuous(significant, vital, imperative)
1
critical(big, significant, substantial, valuable, vital)
1
crucial(big, significant, substantial, valuable, vital)
1
decisive(big, significant, substantial, valuable, vital)
1
determining(big, significant, substantial, valuable, vital)
1
earnest(big, significant, substantial, valuable, vital)
1
essential(big, significant, substantial, valuable, vital)
1
esteemed(significant, vital, imperative)
1
exceptional(big, significant, substantial, valuable, vital)
1
exigent(big, significant, substantial, valuable, vital)
1
extensive(big, significant, substantial, valuable, vital)
1
far-reaching(big, significant, substantial, valuable, vital)
1
foremost(significant, vital, imperative)
1
front-page(big, significant, substantial, valuable, vital)
1
grave(big, significant, substantial, valuable, vital)
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ChicagoSmart Define. 2011. "of substance thesaurus" https://smartdefine.org/of_substance/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2011, of substance thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/of_substance/thesaurus/synonyms>.
MLASmart Define. "of substance thesaurus" 23 May 2011. Web. 20 September 2026. <https://smartdefine.org/of_substance/thesaurus/synonyms>