16 entries under dead topic. ×

28
ancient(noun, adjective, feature, characteristic, start)
22
archaic(adjective, feature, characteristic, detail, new)
8
extinct(adjective, out, unfashionable, antiquated)
7
bygone(original, old, venerable, outdated)
6
superannuated(adjective, original, old, outdated)
3
has-been(tired, out, bent, antiquated)
2
disused(adjective, tired, out, bent)
2
out(adjective, unfashionable, antique, antiquated)
2
unfashionable(original, outdated, obsolete, antiquated)
1
anachronistic(tired, out, bent, antiquated)
1
dinosaur(tired, out, bent, antiquated)
1
horse and buggy(expression, idiom, antiquated, outmoded)
1
moldy(out, old, stale, antiquated)
1
old-hat(unfashionable, antique, antiquated, outmoded)
1
outworn(out, old, unfashionable, antiquated)
1
superseded(adjective, tired, out, bent)
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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>