73 entries under important topic. ×
| primitive(adjective, body, simple, plain, material) | |
| radical(adjective, base, significant, last) | |
| central(adjective, significant, original, essential) | |
| indispensable(adjective, characteristic, significant, natural) | |
| critical(adjective, severe, original, essential) | |
| crucial(adjective, significant, original, essential) | |
| requisite(noun, adjective, want, significant) | |
| integral(adjective, characteristic, body, material) | |
| foundational(adjective, simple, base, pure) | |
| primordial(adjective, head, significant, beginning) | |
| bottom(noun, adjective, significant, original) | |
| leading(adjective, head, significant, beginning) | |
| paramount(adjective, significant, original, essential) | |
| constitutive(adjective, original, serious, essential) | |
| imperative(noun, adjective, significant, essential) | |
| predominant(adjective, significant, original, essential) | |
| prerequisite(noun, adjective, want, significant) | |
| required(adjective, significant, essential, critical) | |
| significant(adjective, original, essential, critical) | |
| structural(adjective, material, natural, original) |
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| APA | Smart Define. (2015). basic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/basic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "basic thesaurus" https://smartdefine.org/basic/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, basic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/basic/thesaurus/synonyms>. |
| MLA | Smart Define. "basic thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/basic/thesaurus/synonyms> |