Synonyms|46Antonyms|3|Broader|0Narrower|0Related|25

20 entries under earliest topic. ×

3
original(adjective, first, previous, smallish, initial)
1
beginning(fundamental, authentic, first, previous, initial)
1
embryonic(authentic, first, previous, initial)
1
first-hand(authentic, first, previous, smallish, initial)
1
inceptive(authentic, first, previous, smallish, initial)
1
infant(authentic, first, previous, smallish, initial)
1
initial(authentic, first, previous, smallish)
1
introductory(fundamental, authentic, first, previous, initial)
1
primeval(authentic, first, previous, ancient, archaic)
1
rudimental(authentic, first, previous, initial)
0
aboriginal(authentic, first, previous, initial)
0
archetypal(authentic, first, previous, initial)
0
authentic(first, previous, initial)
0
autochthonous(authentic, first, previous, initial)
0
commencing(authentic, first, previous, initial)
0
genuine(authentic, first, previous, initial)
0
opening(authentic, first, previous, initial)
0
pioneer(authentic, first, previous, initial)
0
prototypal(authentic, first, previous, initial)
0
starting(authentic, first, previous, initial, inchoate)
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ChicagoSmart Define. 2013. "underivative thesaurus" https://smartdefine.org/underivative/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, underivative thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/underivative/thesaurus/synonyms>.
MLASmart Define. "underivative thesaurus" 28 June 2013. Web. 23 September 2026. <https://smartdefine.org/underivative/thesaurus/synonyms>