139 entries under original topic. ×

3
primogenial(adjective, head, beginning, opening)
3
remote(last, past, venerable, outdated)
3
traditional(feature, characteristic, detail, last)
3
underived(adjective, important, significant, essential)
2
bygone(adjective, last, odd, old)
2
cardinal(adjective, important, head, significant, beginning)
2
central(adjective, top, important, significant)
2
connate(adjective, cause, basic, absolute)
2
constitutional(adjective, body, material, important, significant)
2
constitutive(important, significant, basic, vital)
2
crucial(adjective, important, significant, essential)
2
demode(adjective, last, odd, old)
2
erstwhile(last, old, past, venerable)
2
foundational(adjective, simple, plain, important, significant)
2
immemorial(last, past, venerable, outdated)
2
intrinsic(adjective, important, significant, essential)
2
key(adjective, important, head, significant, beginning)
2
late(last, old, past, venerable)
2
necessary(adjective, body, material, important, significant)
2
of old(expression, adjective, last, odd)
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APASmart Define. (2015). primitive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/primitive/thesaurus/synonyms
ChicagoSmart Define. 2015. "primitive thesaurus" https://smartdefine.org/primitive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, primitive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/primitive/thesaurus/synonyms>.
MLASmart Define. "primitive thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/primitive/thesaurus/synonyms>