46 entries under primary topic. ×
| fundamental(adjective, body, simple, plain, material) | |
| elementary(adjective, start, simple, plain, pure) | |
| essential(adjective, body, simple, plain, material) | |
| basic(adjective, body, start, simple, plain) | |
| elemental(adjective, body, simple, plain, material) | |
| radical(adjective, base, important, significant, last) | |
| underlying(adjective, simple, plain, base, important) | |
| bottom(noun, adjective, important, significant, original) | |
| cardinal(noun, adjective, lead, important, head) | |
| prime(adjective, body, lead, material, pure) | |
| constitutive(important, original, serious, basic, prime) | |
| necessary(adjective, body, material, important, significant) | |
| indispensable(adjective, important, significant, original, essential) | |
| key(adjective, lead, important, head, significant) | |
| primitive(adjective, body, simple, plain, material) | |
| primordial(adjective, important, original, basic, vital) | |
| constitutional(adjective, body, material, important, significant) | |
| crucial(adjective, important, significant, original, essential) | |
| substratal(adjective, simple, plain, important, significant) | |
| axiological(important, original, basic, vital) |
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| APA | Smart Define. (2015). basal thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/basal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "basal thesaurus" https://smartdefine.org/basal/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, basal thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/basal/thesaurus/synonyms>. |
| MLA | Smart Define. "basal thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/basal/thesaurus/synonyms> |