85 entries under adjective topic. ×

47
obsolete(feature, characteristic, trait, common)
46
antiquated(feature, characteristic, dull, plain)
46
old(feature, characteristic, dull, trait)
46
outmoded(feature, characteristic, dull, trait)
45
out-of-date(feature, characteristic, dull, trait)
44
dated(feature, characteristic, dull, plain)
43
antique(feature, characteristic, dull, trait)
43
old-fashioned(feature, characteristic, dull, trait)
42
archaic(feature, characteristic, dull, plain)
42
superannuated(feature, characteristic, trait, original)
41
passé(feature, characteristic, dull, plain)
34
demode(feature, characteristic, trait, last)
33
extinct(feature, characteristic, trait, odd)
13
vintage(plain, new, odd, old)
7
ancient(odd, old, traditional, primitive)
7
antediluvian(last, original, old, venerable)
7
dowdy(dull, new, odd, old)
7
fusty
7
obsolescent(odd, old, primitive, unfashionable)
6
moth-eaten(last, original, tired, stale)
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APASmart Define. (2015). outdated thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/outdated/thesaurus/synonyms
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 "outdated thesaurus" https://smartdefine.org/outdated/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, outdated thesaurus, Smart Define, viewed 22 September, 2026, 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https://smartdefine.org/outdated/thesaurus/synonyms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 "outdated thesaurus" 10 April 2015.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https://smartdefine.org/outdated/thesaurus/synonyms>