32 entries under oldness topic. ×

18
primordial(adjective, cause, violent, head, beginning)
16
primitive(noun, adjective, cause, violent, head)
15
primeval(adjective, violent, head, beginning, vicious)
6
beginning(adjective, head, beginning, original, prime)
5
antediluvian(adjective, last, original, past, primitive)
5
prime(adjective, pure, head, beginning, first)
3
prehistoric
2
ancestral
2
archaic(last, original, past, venerable, outdated)
2
patriarchal
2
preadamite
2
preglacial
2
protohistoric
0
antebellum
0
antemundane
0
black-letter
0
classic
0
colonial
0
diluvian
0
fossil
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APASmart Define. (2015). aboriginal thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/aboriginal/thesaurus/synonyms
ChicagoSmart Define. 2015. "aboriginal thesaurus" https://smartdefine.org/aboriginal/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, aboriginal thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/aboriginal/thesaurus/synonyms>.
MLASmart Define. "aboriginal thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/aboriginal/thesaurus/synonyms>