89 entries under important topic. ×
| necessary(adjective, significant, original, essential) | |
| crucial(adjective, significant, original, essential) | |
| indispensable(adjective, significant, original, essential) | |
| overriding(adjective, significant, serious, prime) | |
| pivotal(adjective, significant, serious, basic) | |
| premier(adjective, lead, head, beginning) | |
| radical(adjective, importance, significant, original) | |
| highest(adjective, heavy, outstanding, prominent) | |
| organic(adjective, significant, original, basic) | |
| overruling(adjective, importance, serious, essential) | |
| preeminent(adjective, outstanding, essential, prominent) | |
| significant(adjective, original, essential, critical) | |
| elementary(adjective, head, significant, beginning) | |
| rudimentary(adjective, head, significant, beginning) | |
| top(adjective, quality, tough, superior, heavy) | |
| basal(adjective, lead, head, significant) | |
| ruling(adjective, significant, original, serious) | |
| constitutive(adjective, essential, critical, basic) | |
| critical(adjective, original, essential, basic) | |
| elemental(adjective, significant, original, essential) |
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| APA | Smart Define. (2015). cardinal thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/cardinal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "cardinal thesaurus" https://smartdefine.org/cardinal/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, cardinal thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/cardinal/thesaurus/synonyms>. |
| MLA | Smart Define. "cardinal thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/cardinal/thesaurus/synonyms> |