134 entries under basic topic. ×
| cellular(material, natural, living, functional) | |
| complete(adjective, exact, precise, absolute) | |
| congenital(adjective, absolute, fundamental, key) | |
| deep(adjective, original) | |
| deep-seated(adjective, original, essential, absolute) | |
| duck soup(expression, simple, straightforward, uncomplicated) | |
| easy(simple, straightforward, uncomplicated) | |
| facile(simple, straightforward, uncomplicated) | |
| grass-roots(adjective, important, significant, original, essential) | |
| inborn(adjective, absolute, fundamental, key) | |
| innate(adjective, body, material, natural, animate) | |
| live(material, natural, living, functional) | |
| living(material, natural, functional, nuclear) | |
| meat-and-potatoes(adjective, base, important, significant, last) | |
| meat and potatoes(expression, adjective, idiom, simple, plain) | |
| middle(adjective, important, significant, essential) | |
| nitty-gritty(adjective, original, absolute, fundamental) | |
| nub(adjective, original, absolute, fundamental) | |
| nuclear(material, important, significant, natural) | |
| plasmic(material, natural, living, functional) |
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| APA | Smart Define. (2016). primary thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/primary/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, primary thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>. |
| MLA | Smart Define. "primary thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms> |