- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
94 entries under original topic. ×
| first(adjective, order, violent, important, opening) | |
| indispensable(adjective, characteristic, important, significant, natural) | |
| requisite(noun, adjective, important, need, significant) | |
| important(adjective, significant, essential, critical) | |
| bottom(noun, adjective, cause, start, base) | |
| primitive(adjective, body, simple, plain, material) | |
| primordial(adjective, violent, important, head, beginning) | |
| critical(adjective, severe, important, significant) | |
| foundational(adjective, clear, simple, plain, pure) | |
| initial(adjective, start, simple, plain, head) | |
| paramount(adjective, important, significant, essential) | |
| significant(adjective, important, essential, critical) | |
| aboriginal(adjective, harsh, violent, pure, head) | |
| major(adjective, important, significant, essential) | |
| introductory(adjective, start, simple, plain, head) | |
| leading(adjective, important, head, significant, beginning) | |
| axiomatic(adjective, important, basic, primary) | |
| beginning(noun, adjective, start, simple, plain) | |
| incipient(adjective, head, beginning, opening) | |
| nascent(adjective, start, pure, beginning, opening) |
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| APA | Smart Define. (2016). fundamental thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/fundamental/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fundamental thesaurus" https://smartdefine.org/fundamental/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, fundamental thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/fundamental/thesaurus/synonyms>. |
| MLA | Smart Define. "fundamental thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/fundamental/thesaurus/synonyms> |