75 entries under outdated topic. ×

6
old-time(adjective, dull, new, last, original)
6
outworn(adjective, dead, odd, out, old)
5
age-old(adjective, new, original, old, venerable)
5
musty(adjective, odd, old, primitive, unfashionable)
5
stale(adjective, flat, ordinary, dry, last)
4
hackneyed(adjective, flat, stupid, ordinary, dry)
4
primordial(adjective, original, old, venerable)
3
aboriginal(last, original, past, venerable)
3
dead(adjective, flat, stupid, ordinary, dry)
3
moldy(adjective, plain, dead, odd, out)
3
oldfangled(last, original, dead, odd, old)
3
time-worn(adjective, last, original, past, venerable)
3
traditional(feature, characteristic, detail, last, original)
3
unfashionable(adjective, plain, last, original, dead)
2
behind the times(expression, adjective, idiom, odd, old)
2
demoded(adjective, odd, old, primitive, unfashionable)
2
grown old(expression, odd, old, primitive, unfashionable)
2
immemorial(adjective, last, original, old, past)
2
late(adjective, last, original, dead, past)
2
of old(expression, last, original, dead, odd)
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APASmart Define. (2015). archaic thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/archaic/thesaurus/synonyms
ChicagoSmart Define. 2015. "archaic thesaurus" https://smartdefine.org/archaic/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, archaic thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/archaic/thesaurus/synonyms>.
MLASmart Define. "archaic thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/archaic/thesaurus/synonyms>