46 entries under primary topic. ×
| axiomatic(important, original, basic, vital) | |
| bottom-line(adjective, important, significant, original, essential) | |
| deep-seated(adjective, original, essential, basic, absolute) | |
| first(important, original, serious, basic, prime) | |
| grass-roots(important, original, basic, vital) | |
| intrinsic(adjective, important, significant, original, essential) | |
| meat-and-potatoes(base, important, last, original, basic) | |
| nitty-gritty(adjective, original, basic, absolute, fundamental) | |
| nub(adjective, original, basic, absolute, fundamental) | |
| paramount(important, original, serious, basic, prime) | |
| requisite(important, original, essential, basic, vital) | |
| root(noun, adjective, original, basic, fundamental) | |
| significant(important, original, basic, vital) | |
| substrative(important, original, basic, vital) | |
| supporting(important, original, basic, vital) | |
| sustaining(important, original, basic, vital) | |
| theoretical(important, original, basic, vital) | |
| underived(important, original, basic, vital) | |
| vital(adjective, body, material, important, significant) | |
| concealed(adjective, original, basic, fundamental) |
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| APA | Smart Define. (2015). basal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/basal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "basal thesaurus" https://smartdefine.org/basal/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, basal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/basal/thesaurus/synonyms>. |
| MLA | Smart Define. "basal thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/basal/thesaurus/synonyms> |