19 entries under earliest topic. ×

6
original(adjective, important, significant, fresh, essential)
2
authentic(adjective, first, previous, initial)
1
beginning(adjective, authentic, first, previous, initial)
1
embryonic(adjective, authentic, first, previous, initial)
1
inceptive(adjective, authentic, first, previous, smallish)
1
infant(adjective, authentic, first, previous, smallish)
1
initial(adjective, authentic, first, previous, smallish)
1
introductory(adjective, authentic, first, previous, initial)
1
primeval(adjective, authentic, first, previous, initial)
1
rudimental(adjective, authentic, first, previous, initial)
0
aboriginal(adjective, authentic, first, previous, initial)
0
archetypal(adjective, authentic, first, previous, initial)
0
autochthonous(adjective, authentic, first, previous, initial)
0
commencing(adjective, authentic, first, previous, initial)
0
genuine(adjective, authentic, first, previous, initial)
0
opening(adjective, authentic, first, previous, initial)
0
pioneer(adjective, authentic, first, previous, initial)
0
prototypal(adjective, authentic, first, previous, initial)
0
starting(adjective, authentic, first, previous, initial)
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APASmart Define. (2015). underived thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/underived/thesaurus/synonyms
ChicagoSmart Define. 2015. "underived thesaurus" https://smartdefine.org/underived/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, underived thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/underived/thesaurus/synonyms>.
MLASmart Define. "underived thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/underived/thesaurus/synonyms>