1
erstwhile(last, original, past, primitive, venerable)
1
essential(adjective, simple, rough, important, significant)
1
exceeding(excellent, obscure, extraordinary, superior, fantastic)
1
fantastic(excellent, obscure, extraordinary, superior, supreme)
1
fetal(adjective, beginning)
1
finished(excellent, obscure, extraordinary, superior, fantastic)
1
first off(expression, adjective, head, beginning, prime)
1
formative(adjective, beginning)
1
foundation
1
foundational(adjective, important, significant, original, essential)
1
front(adjective, head, beginning, opening, original)
1
generative
1
genesis(adjective, beginning)
1
genetic
1
grass-roots(adjective, important, significant, original, essential)
1
hackneyed(last, original, past, venerable, outdated)
1
hatching(adjective, beginning)
1
head(adjective, beginning, opening, original, prime)
1
headmost(adjective, head, beginning, opening, original)
1
historical(adjective, past)
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APASmart Define. (2015). primordial thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/primordial/thesaurus/synonyms
ChicagoSmart Define. 2015. "primordial thesaurus" https://smartdefine.org/primordial/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, primordial thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/primordial/thesaurus/synonyms>.
MLASmart Define. "primordial thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/primordial/thesaurus/synonyms>