78 entries under vital topic. ×
| axiomatic(important, significant, original, basic) | |
| bottom(adjective, important, significant, original, essential) | |
| compelling(adjective, significant, essential, basic) | |
| compulsory(adjective, significant, essential, basic) | |
| decisive(adjective, important, significant, essential, critical) | |
| foundational(important, significant, original, basic) | |
| grass-roots(important, significant, original, basic) | |
| imperative(adjective, important, significant, capital, essential) | |
| mandatory(adjective, significant, essential, basic) | |
| meat-and-potatoes(important, significant, original, essential, critical) | |
| momentous(adjective, important, significant, substantial, serious) | |
| necessitous(important, capital, essential, fundamental) | |
| needed(adjective, important, significant, capital, essential) | |
| prerequisite(adjective, important, significant, capital, essential) | |
| quintessential(adjective, significant, essential, basic) | |
| required(adjective, important, significant, capital, essential) | |
| structural(important, significant, original, basic) | |
| substratal(adjective, important, significant, original, essential) | |
| substrative(important, significant, original, basic) | |
| supporting(important, significant, original, basic) |
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| APA | Smart Define. (2015). cardinal thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/cardinal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "cardinal thesaurus" https://smartdefine.org/cardinal/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, cardinal thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/cardinal/thesaurus/synonyms>. |
| MLA | Smart Define. "cardinal thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/cardinal/thesaurus/synonyms> |