30 entries under old topic. ×

1
out-of-date(last, original, past, venerable)
1
outmoded(last, original, venerable, outdated)
1
primeval(original, fixed, venerable, outdated)
1
primordial(last, original, venerable, outdated)
1
relic(last, original, venerable, outdated)
1
remote(last, original, venerable, outdated)
1
rusty(original, gray, venerable, outdated)
1
stale(last, original, past, venerable)
1
well-established
1
worn-out(last, original, past, outdated)
<12>
10 years ago|4.3k views|share |citing 
APASmart Define. (2016). age-old thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/age-old/thesaurus/synonyms
ChicagoSmart Define. 2016. "age-old thesaurus" https://smartdefine.org/age-old/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, age-old thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/age-old/thesaurus/synonyms>.
MLASmart Define. "age-old thesaurus" 29 February 2016. Web. 25 September 2026. <https://smartdefine.org/age-old/thesaurus/synonyms>