12
out of date(expression, adjective, idiom, oldness)
11
bygone(adjective, plain, new, last, original)
11
decrepit(adjective, feature, characteristic, detail, age)
11
primitive(adjective, feature, characteristic, detail, last)
10
fusty(adjective, dull, hard, new, tired)
9
old-time(adjective, dull, new, last, original)
8
dead(adjective, hard, odd, old, sour)
8
hoary(adjective, new, age, ancient)
8
out(adjective, hard, odd, old, sour)
8
timeworn(adjective, hard, new, tired, old)
7
musty(adjective, hard, odd, old, sour)
7
outworn(adjective, odd, old, primitive, unfashionable)
7
venerable(adjective, new, original, old, gray)
6
aged(adjective, preposition, feeble, old, shabby)
6
medieval(adjective, old, having)
6
olden(adjective, new, original, dead, odd)
6
out-dated
6
prehistoric(adjective, before)
6
tired(adjective, dull, hard, common, feeble)
5
belated(adjective, dead, past, lost, previous)
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APASmart Define. (2016). antiquated thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/antiquated/thesaurus/synonyms
ChicagoSmart Define. 2016. "antiquated thesaurus" https://smartdefine.org/antiquated/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, antiquated thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/antiquated/thesaurus/synonyms>.
MLASmart Define. "antiquated thesaurus" 12 February 2016. Web. 26 September 2026. <https://smartdefine.org/antiquated/thesaurus/synonyms>