93 entries under basic topic. ×
| critical(adjective, big, important, significant, substantial) | |
| prime(adjective, body, material, important, significant) | |
| paramount(adjective, important, significant, original, substantial) | |
| central(adjective, important, significant, original, essential) | |
| demand(noun, want, need, essential, certainty) | |
| desideratum(noun, want, need, essential, certainty) | |
| elementary(adjective, easy, important, significant, original) | |
| integral(adjective, body, material, important, significant) | |
| primary(adjective, body, material, big, important) | |
| want(noun, verb, need, essential, certainty) | |
| basal(adjective, body, material, important, significant) | |
| underlying(adjective, important, significant, original, essential) | |
| bottom-line(adjective, important, significant, original, essential) | |
| elemental(adjective, body, material, important, significant) | |
| intrinsic(adjective, important, significant, original, essential) | |
| primitive(adjective, body, material, important, significant) | |
| bottom(adjective, important, significant, original, essential) | |
| in demand(expression, adjective, idiom, main) | |
| inherent(material, natural, essential, key) | |
| innate(material, natural, living, functional) |
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| APA | Smart Define. (2015). necessary thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/necessary/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "necessary thesaurus" https://smartdefine.org/necessary/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, necessary thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/necessary/thesaurus/synonyms>. |
| MLA | Smart Define. "necessary thesaurus" 2 November 2015. Web. 20 September 2026. <https://smartdefine.org/necessary/thesaurus/synonyms> |