35 entries under natural topic. ×

2
basal(adjective, body, material, important, significant)
2
primitive(adjective, body, material, important, significant)
2
principal(adjective, top, important, basic)
1
amoebic(material, basic, living, functional)
1
animate(material, basic, living, functional)
1
biological(material, basic, living, functional)
1
biotic(material, basic, living, functional)
1
cellular(material, basic, living, functional)
1
live(material, basic, living, functional)
1
living(material, basic, functional, nuclear)
1
necessary(material, important, original, basic)
1
nuclear(close, material, basic, living)
1
original(material, important, significant, basic)
1
plasmic(material, basic, living, functional)
1
prime(adjective, top, material, important)
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APASmart Define. (2015). constitutional thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/constitutional/thesaurus/synonyms
ChicagoSmart Define. 2015. "constitutional thesaurus" https://smartdefine.org/constitutional/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, constitutional thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/constitutional/thesaurus/synonyms>.
MLASmart Define. "constitutional thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/constitutional/thesaurus/synonyms>