Synonyms|339Antonyms|81|Broader|10Narrower|0Related|878

52 entries under obsolete topic. ×

3
relic(last, original, old, venerable, outdated)
3
vintage(feature, characteristic, detail, unfashionable, outdated)
2
fossilized(tired, bent, unfashionable, outdated)
2
hackneyed(last, original, past, venerable, outdated)
2
obsolescent(adjective, old, unfashionable, outdated)
2
oldfangled(last, original, primitive, venerable, unfashionable)
2
remote(last, original, old, venerable, outdated)
2
tired(bent, unfashionable, outdated, antiquated)
2
unfashionable(original, dead, outdated, antiquated)
1
cast-off(last, original, past, primitive, venerable)
1
crumbling(last, original, stale, past, venerable)
1
decayed(adjective, last, original, stale, past)
1
done(last, original, past, venerable, outdated)
1
erstwhile(last, original, past, primitive, venerable)
1
late(last, original, past, primitive, venerable)
1
of old(expression, last, original, primitive, outdated)
1
of yore(expression, last, original, primitive, outdated)
1
once(last, original, past, primitive, venerable)
1
onetime(last, original, past, primitive, venerable)
1
pristine(adjective, last, original, past, primitive)
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APASmart Define. (2015). antediluvian thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/antediluvian/thesaurus/synonyms
ChicagoSmart Define. 2015. "antediluvian thesaurus" https://smartdefine.org/antediluvian/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, antediluvian thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/antediluvian/thesaurus/synonyms>.
MLASmart Define. "antediluvian thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/antediluvian/thesaurus/synonyms>