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

50 entries under outdated topic. ×

3
vintage(feature, characteristic, detail, unfashionable)
2
fossilized(tired, bent, unfashionable, obsolete)
2
hackneyed(last, original, past, venerable)
2
moth-eaten(original, old, gray, venerable)
2
obsolescent(adjective, old, unfashionable, obsolete)
2
oldfangled(last, original, primitive, venerable, unfashionable)
2
remote(last, original, old, venerable)
2
tired(bent, unfashionable, obsolete, antiquated)
2
unfashionable(original, dead, obsolete, 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)
1
erstwhile(last, original, past, primitive, venerable)
1
late(last, original, past, primitive, venerable)
1
of old(expression, last, original, primitive)
1
of yore(expression, last, original, primitive)
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 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>