2
hackneyed(last, original, past, venerable, outdated)
2
moth-eaten(original, old, gray, venerable, outdated)
2
mouldy
2
obsolescent(adjective, old, unfashionable, outdated, obsolete)
2
oldfangled(last, original, primitive, venerable, unfashionable)
2
oracle bones(adjective, antique, ancient, archaic)
2
out(adjective, dead, unfashionable, antique, antiquated)
2
paleolithic(adjective, old, oldness)
2
patriarch
2
preadamite
2
primal
2
protohistoric
2
reactionary(noun, conventional, conservative, fuddy-duddy)
2
remote(last, original, old, venerable, outdated)
2
rotten
2
spoiled
2
tired(bent, unfashionable, outdated, obsolete, antiquated)
2
traditionalist(noun, conventional)
2
unfashionable(original, dead, outdated, obsolete, antiquated)
1
Noachic
11 years ago|11k views|share |citing 
APASmart Define. (2015). antediluvian thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/antediluvian/thesaurus/synonyms
ChicagoSmart Define. 2015. "antediluvian thesaurus" https://smartdefine.org/antediluvian/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, antediluvian thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/antediluvian/thesaurus/synonyms>.
MLASmart Define. "antediluvian thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/antediluvian/thesaurus/synonyms>