69 entries under primary topic. ×
| original(adjective, important, head, significant, beginning) | |
| primitive(adjective, important, head, significant, beginning) | |
| prominent(adjective, outstanding, head, essential, prime) | |
| axiological(important, significant, original, basic, vital) | |
| axiomatic(important, significant, original, basic, vital) | |
| beginning(adjective, head, opening, original, prime) | |
| bottom(adjective, important, significant, original, essential) | |
| deep(adjective, original, basic) | |
| deep-seated(adjective, original, basic, absolute, fundamental) | |
| early(adjective, head, beginning, opening, original) | |
| first-class(quality, superior, heavy, original, best) | |
| foundational(important, significant, original, basic, vital) | |
| grass-roots(important, significant, original, basic, vital) | |
| momentous(adjective, important, significant, substantial, serious) | |
| nub(adjective, original, basic, absolute, fundamental) | |
| opening(adjective, head, beginning, original, prime) | |
| structural(important, significant, original, basic, vital) | |
| substratal(adjective, important, significant, original, essential) | |
| substrative(important, significant, original, basic, vital) | |
| supporting(important, significant, original, basic, vital) |
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| APA | Smart Define. (2015). cardinal thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cardinal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "cardinal thesaurus" https://smartdefine.org/cardinal/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, cardinal thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cardinal/thesaurus/synonyms>. |
| MLA | Smart Define. "cardinal thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/cardinal/thesaurus/synonyms> |