40 entries under vital topic. ×
| cardinal(adjective, important, significant, capital, essential) | |
| chief(adjective, important, significant, serious, capital) | |
| constitutive(important, capital, essential, critical, basic) | |
| decisive(adjective, important, significant, essential, critical) | |
| exigent(adjective, important, significant, serious, essential) | |
| principal(adjective, important, significant, serious, capital) | |
| unavoidable(adjective, certain, significant, essential, sure) | |
| bottom-line(adjective, important, significant, essential, critical) | |
| elementary(adjective, significant, essential, basic) | |
| expedient(adjective, significant, essential, basic) | |
| incumbent on(expression, adjective, significant, essential, basic) | |
| momentous(adjective, important, significant, serious, essential) | |
| paramount(adjective, important, significant, serious, essential) | |
| quintessential(adjective, significant, essential, basic) | |
| significant(adjective, important, essential, critical, basic) | |
| specified(adjective, significant, essential, basic) | |
| necessitous(important, capital, essential, fundamental) | |
| all-important(adjective, significant, essential, basic) | |
| name of game(expression, adjective, idiom, significant, essential) | |
| prime(adjective, significant, essential, basic) |
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| APA | Smart Define. (2015). required thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/required/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "required thesaurus" https://smartdefine.org/required/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, required thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/required/thesaurus/synonyms>. |
| MLA | Smart Define. "required thesaurus" 3 November 2015. Web. 27 September 2026. <https://smartdefine.org/required/thesaurus/synonyms> |