13 entries under earliest topic. ×

7
original(adjective, cause, beginning, opening, first)
7
primeval(adjective, beginning, authentic, first, previous)
5
rudimental(beginning, authentic, first, previous, littleness)
3
starting(adjective, beginning, authentic, first, previous)
2
autochthonous(authentic, first, previous, initial)
2
pristine(authentic, first, previous, initial)
0
archetypal(authentic, first, previous, initial)
0
authentic(first, previous, initial)
0
first-hand(authentic, first, previous, initial)
0
genuine(authentic, first, previous, initial)
0
prototypal(authentic, first, previous, initial)
0
underivative(authentic, first, previous, initial)
0
underived(authentic, first, previous, initial)
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APASmart Define. (2015). embryonic thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/embryonic/thesaurus/synonyms
ChicagoSmart Define. 2015. "embryonic thesaurus" https://smartdefine.org/embryonic/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, embryonic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/embryonic/thesaurus/synonyms>.
MLASmart Define. "embryonic thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/embryonic/thesaurus/synonyms>