97 entries under basic topic. ×
| principal(adjective, body, great, importance, material) | |
| central(adjective, important, significant, original, essential) | |
| needed(adjective, set, right, important, significant) | |
| animate(adjective, body, energetic, material, lively) | |
| chief(adjective, importance, big, important, significant) | |
| living(adjective, body, material, active, natural) | |
| major(adjective, great, heavy, important, significant) | |
| paramount(adjective, importance, important, significant, original) | |
| prime(adjective, body, importance, material, important) | |
| decisive(adjective, severe, big, important, significant) | |
| compelling(adjective, energetic, important, lively, active) | |
| compulsory(adjective, set, important, significant, essential) | |
| needful(adjective, set, important, significant, original) | |
| radical(adjective, great, importance, important, significant) | |
| exigent(adjective, big, heavy, important, significant) | |
| prerequisite(adjective, set, right, important, significant) | |
| underlying(adjective, important, significant, original, essential) | |
| constitutional(adjective, body, material, important, significant) | |
| mandatory(adjective, set, significant, essential) | |
| obligatory(adjective, important, significant, essential, critical) |
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| APA | Smart Define. (2015). vital thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/vital/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "vital thesaurus" https://smartdefine.org/vital/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, vital thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/vital/thesaurus/synonyms>. |
| MLA | Smart Define. "vital thesaurus" 2 November 2015. Web. 22 September 2026. <https://smartdefine.org/vital/thesaurus/synonyms> |