88 entries under vital topic. ×
| elemental(adjective, important, significant, original, essential) | |
| elementary(adjective, top, important, significant, original) | |
| first(adjective, top, important, significant, original) | |
| indispensable(adjective, important, significant, original, serious) | |
| integral(adjective, important, significant, original, essential) | |
| primordial(adjective, important, significant, original, basic) | |
| signal(important, significant, imperative) | |
| salient(adjective, significant, main, middle) | |
| necessary(adjective, important, significant, original, critical) | |
| rudimentary(adjective, important, significant, original, basic) | |
| underlying(adjective, top, important, significant, original) | |
| great(significant, imperative) | |
| heavy(important, significant, fundamental, imperative) | |
| imperative(adjective, important, significant, critical) | |
| material(significant, essential, basic, imperative) | |
| original(important, significant, basic, primitive) | |
| primitive(top, important, significant, original, essential) | |
| requisite(adjective, important, significant, original, essential) | |
| serious(important, significant, basic, prime) | |
| substantial(important, significant, imperative) |
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| APA | Smart Define. (2015). central thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/central/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "central thesaurus" https://smartdefine.org/central/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, central thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/central/thesaurus/synonyms>. |
| MLA | Smart Define. "central thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/central/thesaurus/synonyms> |