1
humanoid
1
in the beginning(expression, adjective, idiom, head, beginning)
1
inchoate
1
infant
1
infantile
1
initiative
1
initiatory
1
inventive
1
key(adjective, head, beginning, opening, original)
1
lead off(expression, adjective, head, beginning, fresh)
1
leading(adjective, head, beginning, opening, original)
1
least(adjective, head, beginning, opening, original)
1
numero uno(expression, adjective, head, beginning, fresh)
1
opening(adjective, head, beginning, original, prime)
1
parturient
1
patriarchal
1
pioneer(adjective, head, beginning, opening, original)
1
pregnant
1
prehistoric
1
premier(adjective, head, beginning, fresh, original)
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APASmart Define. (2015). primogenial thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/primogenial/thesaurus/synonyms
ChicagoSmart Define. 2015. "primogenial thesaurus" https://smartdefine.org/primogenial/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, primogenial thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/primogenial/thesaurus/synonyms>.
MLASmart Define. "primogenial thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/primogenial/thesaurus/synonyms>