85 entries under fundamental topic. ×
| bottom(adjective, important, significant, original, essential) | |
| bottom-line(adjective, important, significant, original, essential) | |
| chief(top, original, essential, key) | |
| clear(simple, straightforward, basic, uncomplicated) | |
| congenital(adjective, original, basic, absolute) | |
| deep-seated(adjective, original, essential, basic, absolute) | |
| duck soup(expression, simple, straightforward, basic) | |
| facile(simple, straightforward, basic, uncomplicated) | |
| inborn(adjective, original, basic, absolute) | |
| inbred(adjective, original, basic, absolute) | |
| indispensable(adjective, important, significant, original, essential) | |
| inherent(adjective, body, material, natural, animate) | |
| innate(adjective, body, material, natural, animate) | |
| main(adjective, top, original, essential, basic) | |
| meat-and-potatoes(adjective, important, significant, original, essential) | |
| meat and potatoes(expression, adjective, idiom, simple, plain) | |
| nitty-gritty(adjective, original, basic, absolute) | |
| nub(adjective, original, basic, absolute) | |
| prefatory(simple, straightforward, basic, uncomplicated) | |
| preliminary(simple, straightforward, basic, uncomplicated) |
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| APA | Smart Define. (2015). primitive thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/primitive/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "primitive thesaurus" https://smartdefine.org/primitive/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, primitive thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/primitive/thesaurus/synonyms>. |
| MLA | Smart Define. "primitive thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/primitive/thesaurus/synonyms> |