51 entries under primary topic. ×
| primordial(adjective, important, head, significant, beginning) | |
| vital(adjective, top, important, significant, original) | |
| constitutive(important, significant, original, basic, vital) | |
| deep(adjective, original, basic) | |
| important(adjective, significant, original, basic, vital) | |
| indispensable(adjective, characteristic, important, significant, natural) | |
| major(important, significant, original, basic, vital) | |
| substratal(adjective, simple, plain, important, significant) | |
| axiological(important, significant, original, basic, vital) | |
| axiomatic(important, significant, original, basic, vital) | |
| bottom-line(adjective, important, significant, original, essential) | |
| deep-seated(adjective, characteristic, original, essential, basic) | |
| grass-roots(important, significant, original, basic, vital) | |
| head(adjective, beginning, opening, original, prime) | |
| meat-and-potatoes(important, significant, original, basic, vital) | |
| nitty-gritty(adjective, original, basic, absolute, fundamental) | |
| nub(adjective, original, basic, absolute, fundamental) | |
| paramount(adjective, important, significant, original, essential) | |
| requisite(adjective, important, significant, original, essential) | |
| root(adjective, original, basic, fundamental) |
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| APA | Smart Define. (2015). elementary thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/elementary/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "elementary thesaurus" https://smartdefine.org/elementary/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, elementary thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/elementary/thesaurus/synonyms>. |
| MLA | Smart Define. "elementary thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/elementary/thesaurus/synonyms> |