27 entries under natural topic. ×
| organic(adjective, state, important, significant) | |
| basic(adjective, material, important, vital) | |
| constitutional(adjective, material, important, basic) | |
| anatomical(adjective, material, basic, fundamental) | |
| fundamental(adjective, material, important, original) | |
| inherent(adjective, material, basic, living) | |
| integral(adjective, important, significant, basic) | |
| amoebic(adjective, material, basic, living) | |
| animate(adjective, material, basic, living) | |
| basal(adjective, material, important, basic) | |
| biological(adjective, material, basic, living) | |
| biotic(adjective, material, basic, living) | |
| cellular(adjective, material, basic, living) | |
| elemental(adjective, material, important, basic) | |
| essential(adjective, material, important, basic) | |
| innate(adjective, material, basic, living) | |
| live(adjective, material, basic, living) | |
| living(adjective, material, basic, functional) | |
| necessary(adjective, material, important, basic) | |
| nuclear(adjective, material, basic, living) |
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| APA | Smart Define. (2015). structural thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/structural/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "structural thesaurus" https://smartdefine.org/structural/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, structural thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/structural/thesaurus/synonyms>. |
| MLA | Smart Define. "structural thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/structural/thesaurus/synonyms> |