84 entries under fundamental topic. ×
| prime(adjective, order, body, start, excellent) | |
| principal(adjective, order, body, top, excellent) | |
| chief(adjective, order, top, excellent, lead) | |
| main(adjective, top, lead, fine, superior) | |
| essential(adjective, body, simple, plain, importance) | |
| basic(adjective, body, simple, plain, base) | |
| elementary(adjective, simple, plain, pure, important) | |
| cardinal(noun, adjective, lead, importance, important) | |
| organic(adjective, important, significant, natural, animate) | |
| original(adjective, order, body, cause, start) | |
| capital(noun, adjective, good, excellent, lead) | |
| elemental(adjective, body, simple, plain, material) | |
| beginning(noun, adjective, simple, plain, new) | |
| central(adjective, lead, important, head, significant) | |
| initial(adjective, order, start, simple, plain) | |
| key(adjective, lead, important, head, significant) | |
| primitive(adjective, body, cause, start, simple) | |
| underlying(adjective, simple, plain, base, important) | |
| basal(adjective, body, simple, lead, plain) | |
| rudimentary(adjective, simple, plain, important, head) |
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| APA | Smart Define. (2016). primary thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/primary/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, primary thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>. |
| MLA | Smart Define. "primary thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms> |