31 entries under oldness topic. ×

9
patriarchal(adjective, age, paternity, inherited)
4
primitive
3
aboriginal
3
primeval(adjective, primitive)
2
archaic(adjective, primitive)
2
preadamite
2
preglacial
2
prehistoric
2
prime
2
primordial
2
protohistoric
1
classic
1
medieval
0
antebellum
0
antediluvian
0
antemundane
0
beginning
0
black-letter
0
colonial
0
diluvian
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APASmart Define. (2015). ancestral thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/ancestral/thesaurus/synonyms
ChicagoSmart Define. 2015. "ancestral thesaurus" https://smartdefine.org/ancestral/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, ancestral thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/ancestral/thesaurus/synonyms>.
MLASmart Define. "ancestral thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/ancestral/thesaurus/synonyms>