58 entries under original topic. ×
| primary(adjective, body, material, big, important) | |
| basal(adjective, body, material, important, significant) | |
| underlying(adjective, important, significant, essential) | |
| bottom-line(adjective, important, significant, essential) | |
| elemental(adjective, body, material, important, significant) | |
| intrinsic(adjective, important, significant, essential) | |
| primitive(adjective, body, material, important, significant) | |
| bottom(adjective, important, significant, essential) | |
| core(fundamental, key, main, chief) | |
| axiological(adjective, important, significant, essential) | |
| axiomatic(important, significant, basic, vital) | |
| constitutional(adjective, body, material, important, significant) | |
| constitutive(important, capital, essential, critical) | |
| first(adjective, important, significant, essential) | |
| foundational(adjective, important, significant, essential) | |
| grass-roots(adjective, important, significant, essential) | |
| major(adjective, important, significant, essential) | |
| meat-and-potatoes(adjective, important, significant, essential) | |
| nitty-gritty(adjective, important, essential, critical) | |
| primordial(adjective, important, significant, essential) |
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| APA | Smart Define. (2015). necessary thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/necessary/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "necessary thesaurus" https://smartdefine.org/necessary/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, necessary thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/necessary/thesaurus/synonyms>. |
| MLA | Smart Define. "necessary thesaurus" 2 November 2015. Web. 25 September 2026. <https://smartdefine.org/necessary/thesaurus/synonyms> |