106 entries under vital topic. ×
| heavy(noun, adjective, order, advance, start) | |
| imperative(adjective, big, important, significant, substantial) | |
| integral(adjective, body, material, important, significant) | |
| intrinsic(adjective, important, significant, original, essential) | |
| needful(adjective, important, significant, original, capital) | |
| primitive(adjective, body, material, important, significant) | |
| required(adjective, important, significant, serious, capital) | |
| urgent(adjective, great, big, significant, substantial) | |
| axiological(adjective, important, significant, original, essential) | |
| axiomatic(important, significant, original, basic) | |
| bottom(adjective, important, significant, original, essential) | |
| bottom-line(adjective, important, significant, original, essential) | |
| constitutive(important, original, serious, capital, basic) | |
| decisive(adjective, great, big, important, significant) | |
| determining(big, significant, substantial, valuable) | |
| earnest(big, significant, substantial, valuable) | |
| esteemed(significant, imperative) | |
| exceptional(adjective, bad, great, excellent, extraordinary) | |
| exigent(adjective, big, significant, substantial, large) | |
| extensive(big, significant, substantial, large, valuable) |
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| APA | Smart Define. (2016). principal thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/principal/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "principal thesaurus" https://smartdefine.org/principal/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, principal thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/principal/thesaurus/synonyms>. |
| MLA | Smart Define. "principal thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/principal/thesaurus/synonyms> |