119 entries under basic topic. ×

6
radical(adjective, cause, important, significant, original)
4
natural(adjective, body, open, simple, material)
4
introductory(adjective, simple, plain, head, beginning)
4
native(noun, adjective, harsh, violent, wild)
4
rustic(adjective, simple, easy, violent, coarse)
3
atavistic(adjective, simple, rough, brutal, crude)
3
basal(adjective, body, simple, plain, material)
3
immature(simple, natural, whole, fundamental)
3
underived(adjective, important, significant, original, essential)
3
vestigial(adjective, simple, crude, fundamental)
2
abecedarian(simple, straightforward, fundamental, uncomplicated)
2
cardinal(adjective, important, head, significant, beginning)
2
central(adjective, top, important, significant, original)
2
connate(adjective, cause, original, absolute)
2
constitutional(adjective, body, material, important, significant)
2
constitutive(important, significant, original, vital)
2
crucial(adjective, important, significant, original, essential)
2
foundational(adjective, simple, plain, important, significant)
2
intrinsic(adjective, important, significant, original, essential)
2
key(adjective, important, head, significant, beginning)
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APASmart Define. (2015). primitive thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/primitive/thesaurus/synonyms
ChicagoSmart Define. 2015. "primitive thesaurus" https://smartdefine.org/primitive/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, primitive thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/primitive/thesaurus/synonyms>.
MLASmart Define. "primitive thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/primitive/thesaurus/synonyms>