Synonyms|228Antonyms|92|Broader|2Narrower|4Related|188
2
age-old(last, original, previous, venerable, other)
2
aged
2
anachronous
2
corny(tired, odd, old, stale, primitive)
2
defunct(adjective, obsolete, invalid, outmoded, redundant)
2
demoded(adjective, odd, old, primitive, unfashionable)
2
frumpy(adjective, plain, shabby, drab, dingy)
2
kaput
2
legacy(feature, characteristic, state, computing)
2
moldy(adjective, plain, odd, old, drab)
2
mouldy
2
old-fangled(adjective, odd, old, primitive, unfashionable)
2
old-hat(adjective, common, tired, odd, old)
2
olden(adjective, original, odd, old, traditional)
2
out of use(verb, expression, idiom, phrasal verb)
2
overdue(adjective, late)
2
prehistoric
2
rococo(adjective, odd, old, primitive, unfashionable)
2
superannuate
2
unstylish(adjective, plain, odd, old, drab)
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ChicagoSmart Define. 2015. "outdated thesaurus" https://smartdefine.org/outdated/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, outdated thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/outdated/thesaurus/synonyms>.
MLASmart Define. "outdated thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/outdated/thesaurus/synonyms>