Synonyms|447Antonyms|112|Broader|9Narrower|12Related|1k
2
crumbling(last, original, previous, other, outdated)
2
effete(adjective, exhausted, spoiled, inutility)
2
finished
2
fusty
2
gone out(verb, phrasal verb, oldness)
2
hors de combat(expression, idiom, inutility)
2
immemorial(last, original, previous, other, outdated)
2
invalid(adjective, redundant)
2
kaput(adjective, vogue)
2
legacy(feature, characteristic, state, computing)
2
medieval
2
moldy(adjective, odd, old, primitive, unfashionable)
2
neglected(adjective, odd, old, primitive, unfashionable)
2
no more(expression, idiom, the past)
2
old-world
2
oldfangled(adjective, last, original, odd, old)
2
on the shelf(expression, adjective, idiom, new, used)
2
out-moded
2
out of style(expression, idiom, odd, old, primitive)
2
outdate(verb, new, retire, date, used)
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APASmart Define. (2016). obsolete thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/obsolete/thesaurus/synonyms
ChicagoSmart Define. 2016. "obsolete thesaurus" https://smartdefine.org/obsolete/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, obsolete thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/obsolete/thesaurus/synonyms>.
MLASmart Define. "obsolete thesaurus" 28 March 2016. Web. 22 September 2026. <https://smartdefine.org/obsolete/thesaurus/synonyms>