88 entries under vital topic. ×
| structural(material, important, natural, original, basic) | |
| substrative(adjective, important, significant, original, essential) | |
| supporting(adjective, important, significant, original, essential) | |
| sustaining(adjective, important, significant, original, essential) | |
| theoretical(adjective, important, significant, original, essential) | |
| weighty(big, important, significant, substantial, serious) | |
| bottom line(expression, important, significant, essential, basic) | |
| valuable(big, significant, substantial, imperative) |
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| APA | Smart Define. (2016). primary thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/primary/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, primary thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>. |
| MLA | Smart Define. "primary thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms> |