- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
103 entries under important topic. ×
| main(adjective, significant, usual, essential) | |
| first(adjective, order, violent, opening) | |
| original(adjective, characteristic, body, simple, plain) | |
| indispensable(adjective, characteristic, significant, natural) | |
| requisite(noun, adjective, need, significant) | |
| bottom(noun, adjective, cause, start, base) | |
| constitutional(adjective, natural, essential, basic) | |
| primitive(adjective, body, simple, plain, material) | |
| primordial(adjective, violent, head, beginning) | |
| critical(adjective, severe, significant, original) | |
| foundational(adjective, clear, simple, plain, pure) | |
| chief(adjective, significant, essential, basic) | |
| paramount(adjective, significant, original, essential) | |
| significant(adjective, original, essential, critical) | |
| constitutive(adjective, capital, essential, critical) | |
| major(adjective, significant, original, essential) | |
| center(noun, adjective, support, action, cause) | |
| imperative(noun, adjective, law, regulation, concern) | |
| leading(adjective, head, significant, beginning) | |
| material(noun, adjective, drop, part) |
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| APA | Smart Define. (2016). fundamental thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fundamental/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fundamental thesaurus" https://smartdefine.org/fundamental/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, fundamental thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fundamental/thesaurus/synonyms>. |
| MLA | Smart Define. "fundamental thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/fundamental/thesaurus/synonyms> |