53 entries under outdated topic. ×

6
dead(adjective, hard, informal, odd, out)
6
outworn(adjective, dead, odd, out, old)
5
demoded(adjective, bad, cool, odd, old)
5
moldy(adjective, plain, dead, odd, out)
5
musty(adjective, hard, odd, out, old)
5
obsolescent(adjective, odd, old, primitive, unfashionable)
4
ancient(adjective, dead, odd, out, old)
4
moth-eaten(hard, last, original, old, sour)
4
old-time(adjective, dull, new, last, original)
4
olden(adjective, original, odd, old, past)
4
out of style(expression, adjective, idiom, odd, old)
4
primitive(adjective, last, original, odd, old)
4
rococo(adjective, odd, old, primitive, unfashionable)
3
oldfangled(adjective, last, original, odd, old)
3
stale(adjective, hard, last, original, old)
2
corny(adjective, dull, hard, informal, odd)
2
neglected(adjective, odd, old, primitive, unfashionable)
2
not current(expression, adjective, odd, square, old)
2
odd(adjective, informal, old, primitive, unfashionable)
2
of old(expression, adjective, last, original, odd)
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APASmart Define. (2016). passe thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/passe/thesaurus/synonyms
ChicagoSmart Define. 2016. "passe thesaurus" https://smartdefine.org/passe/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, passe thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/passe/thesaurus/synonyms>.
MLASmart Define. "passe thesaurus" 28 March 2016. Web. 22 September 2026. <https://smartdefine.org/passe/thesaurus/synonyms>