62 entries under fundamental topic. ×
| crucial(adjective, important, significant, original, essential) | |
| embryonic(simple, basic, elementary) | |
| initial(adjective, simple, easy, straightforward, basic) | |
| material(adjective, body, basic, absolute) | |
| substratal(adjective, simple, plain, important, significant) | |
| bottom-line(adjective, important, significant, original, essential) | |
| deep-seated(adjective, original, essential, basic, absolute) | |
| inherent(adjective, body, material, natural, animate) | |
| innate(adjective, body, material, natural, animate) | |
| intrinsic(adjective, important, significant, original, essential) | |
| introductory(adjective, simple, straightforward, basic) | |
| larval(simple, basic, elementary) | |
| meat and potatoes(expression, adjective, idiom, simple, plain) | |
| nitty-gritty(adjective, original, basic, absolute) | |
| nub(adjective, original, basic, absolute) | |
| root(noun, adjective, original, basic) | |
| simplest(simple, straightforward, basic, uncomplicated) | |
| uncompleted(simple, basic, elementary) | |
| vestigial(simple, basic, elementary) | |
| vital(adjective, body, material, important, significant) |
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| APA | Smart Define. (2015). basal thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/basal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "basal thesaurus" https://smartdefine.org/basal/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, basal thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/basal/thesaurus/synonyms>. |
| MLA | Smart Define. "basal thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/basal/thesaurus/synonyms> |