35 entries under old topic. ×

5
olden(adjective, new, original, primitive)
4
stale(adjective, original, outdated, obsolete)
3
out-of-date(venerable, obsolete, antique, antiquated)
3
relic(last, original, venerable, outdated)
2
elderly
2
moth-eaten(original, gray, venerable, outdated)
2
obsolescent(adjective, unfashionable, outdated, obsolete)
2
paleolithic(adjective, oldness)
2
remote(last, original, venerable, outdated)
1
moldy(dead, out, stale, antiquated)
1
outworn(dead, out, unfashionable, antiquated)
1
rusty(original, gray, venerable, outdated)
1
worn-out(last, original, past, outdated)
0
behind the times(expression, idiom, unfashionable, antiquated)
0
old-fangled(unfashionable, obsolete, antiquated, archaic)
<12>
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APASmart Define. (2015). antediluvian thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/antediluvian/thesaurus/synonyms
ChicagoSmart Define. 2015. "antediluvian thesaurus" https://smartdefine.org/antediluvian/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, antediluvian thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/antediluvian/thesaurus/synonyms>.
MLASmart Define. "antediluvian thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/antediluvian/thesaurus/synonyms>