35 entries under old topic. ×

28
ancient(noun, adjective, feature, characteristic, start)
22
archaic(adjective, feature, characteristic, detail, new)
22
antiquated(adjective, feature, characteristic, detail, new)
21
old(adjective, feature, characteristic, detail, new)
19
antique(adjective, feature, characteristic, detail, new)
18
primitive(adjective, feature, characteristic, start, detail)
14
obsolete(adjective, last, original, venerable)
13
old-fashioned(adjective, original, venerable, antiquated)
11
primordial(adjective, original, venerable, outdated)
10
primeval(adjective, original, venerable, outdated)
10
venerable(adjective, new, original, gray)
9
early(adjective, start, original, venerable)
8
age-old(adjective, new, original, gray)
8
aged
7
bygone(original, dead, venerable, outdated)
6
dated(adjective, original, outdated, obsolete)
6
medieval(adjective, oldness, having)
6
outdated(adjective, last, original, venerable)
6
outmoded(adjective, original, venerable, outdated)
6
superannuated(adjective, original, dead, outdated)
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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>