49 entries under antediluvian topic. ×

3
old-hat(adjective, odd, out, old, primitive)
3
old-time(adjective, last, original, odd, old)
3
olden(adjective, original, odd, old, past)
3
oldfangled(adjective, last, original, odd, old)
3
out-of-date(adjective, last, original, odd, square)
3
outworn(dead, odd, out, old, primitive)
2
extinct(dead, odd, out, old, primitive)
2
moldy(adjective, plain, dead, odd, out)
2
of old(expression, last, original, odd, old)
2
past(adjective, last, original, odd, old)
2
primitive(adjective, last, original, odd, old)
2
superannuated(adjective, original, dead, odd, out)
2
vintage(adjective, plain, odd, out, old)
1
corny(adjective, odd, old, primitive, outdated)
1
disapproved(adjective, odd, old, primitive, outdated)
1
grown old(expression, odd, old, primitive, outdated)
1
musty(adjective, odd, out, old, primitive)
1
neglected(adjective, odd, old, primitive, outdated)
1
not current(expression, odd, square, old, primitive)
1
not modern(expression, odd, old, primitive, outdated)
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APASmart Define. (2016). unfashionable thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unfashionable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unfashionable thesaurus" https://smartdefine.org/unfashionable/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, unfashionable thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unfashionable/thesaurus/synonyms>.
MLASmart Define. "unfashionable thesaurus" 28 March 2016. Web. 1 October 2026. <https://smartdefine.org/unfashionable/thesaurus/synonyms>