50 entries under imperative topic. ×
| important(adjective, significant, original, essential, critical) | |
| primary(adjective, lead, important, head, significant) | |
| cardinal(noun, adjective, lead, important, head) | |
| fundamental(adjective, important, significant, original, essential) | |
| essential(adjective, important, significant, original, basic) | |
| chief(adjective, lead, important, head, significant) | |
| main(adjective, lead, important, head, significant) | |
| principal(adjective, lead, important, head, significant) | |
| foremost(adjective, lead, head, significant, master) | |
| paramount(adjective, important, significant, original, essential) | |
| basic(adjective, important, significant, original, essential) | |
| vital(adjective, important, significant, original, essential) | |
| signal(important, significant, vital) | |
| salient(adjective, significant, vital, main, middle) | |
| great(significant, vital) | |
| heavy(important, significant, vital, fundamental) | |
| material(significant, essential, basic, vital) | |
| serious(important, significant, basic, prime, vital) | |
| substantial(important, significant, vital) | |
| weighty(important, significant, vital) |
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| APA | Smart Define. (2015). central thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/central/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "central thesaurus" https://smartdefine.org/central/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, central thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/central/thesaurus/synonyms>. |
| MLA | Smart Define. "central thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/central/thesaurus/synonyms> |