118 entries under significant topic. ×
| substratal(adjective, simple, plain, important) | |
| axiological(adjective, important, original, essential) | |
| bottom-line(adjective, important, original, essential) | |
| commanding(adjective, top, fine, important) | |
| considerable(big, important, substantial, large) | |
| conspicuous(adjective, vital, imperative) | |
| decisive(big, substantial, valuable, vital) | |
| determining(big, substantial, valuable, vital) | |
| distinguished(adjective, good, fine, superior, unusual) | |
| earnest(big, substantial, valuable, vital) | |
| esteemed(vital, imperative) | |
| exceptional(adjective, good, superior, big, unusual) | |
| exigent(big, substantial, valuable, vital) | |
| extensive(big, substantial, large, valuable) | |
| famous(adjective, good, superior, important, exceptional) | |
| far-reaching(big, substantial, valuable, vital) | |
| fine(adjective, good, excellent, superior, important) | |
| front-page(big, substantial, valuable, vital) | |
| grass-roots(adjective, important, original, essential) | |
| heavy(order, big, important, substantial) |
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| APA | Smart Define. (2016). primary thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/primary/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, primary thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>. |
| MLA | Smart Define. "primary thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms> |