47 entries under odd topic. ×

4
behind the times(expression, adjective, idiom, current)
4
bygone(adjective, plain, new, last, original)
4
musty(adjective, old, primitive, unfashionable)
4
out(adjective, adverb, old, primitive)
3
dead(adjective, old, primitive, unfashionable)
2
corny(tired, old, stale, primitive)
2
demoded(adjective, old, primitive, unfashionable)
2
moldy(adjective, plain, old, drab)
2
old-fangled(adjective, old, primitive, unfashionable)
2
old-hat(adjective, common, tired, old)
2
olden(adjective, original, old, traditional)
2
rococo(adjective, old, primitive, unfashionable)
2
unstylish(adjective, plain, old, drab)
1
disapproved(adjective, old, primitive, unfashionable)
1
grown old(expression, old, primitive, unfashionable)
1
neglected(adjective, old, primitive, unfashionable)
1
not current(expression, square, old, primitive)
1
not modern(expression, old, primitive, unfashionable)
1
not with it(expression, idiom, old, primitive)
1
of old(expression, last, original, old)
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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 outdated thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/outdated/thesaurus/synonyms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 "outdated thesaurus" https://smartdefine.org/outdated/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, outdated thesaurus, Smart Define, viewed 22 September, 2026, 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https://smartdefine.org/outdated/thesaurus/synonyms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 "outdated thesaurus" 10 April 2015.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https://smartdefine.org/outdated/thesaurus/synonyms>