48 entries under antediluvian topic. ×

6
oldfangled(adjective, last, original, odd, old)
6
oracle bones(noun, adjective, ancient, archaic)
5
dead(adjective, odd, out, old, primitive)
5
outworn(adjective, dead, odd, out, old)
5
past(adjective, last, original, odd, old)
4
unfashionable(adjective, last, original, dead, odd)
3
dowdy(adjective, dull, new, odd, old)
3
musty(adjective, odd, old, stale, primitive)
3
of old(expression, adjective, last, original, odd)
2
behind the times(expression, idiom, odd, old, primitive)
2
grown old(expression, adjective, odd, old, primitive)
2
moldy(adjective, dead, odd, out, old)
2
unstylish(adjective, odd, old, primitive, unfashionable)
1
corny(adjective, odd, old, primitive, unfashionable)
1
demoded(adjective, odd, old, primitive, unfashionable)
1
disapproved(adjective, odd, old, primitive, unfashionable)
1
neglected(adjective, odd, old, primitive, unfashionable)
1
not current(expression, adjective, odd, old, primitive)
1
not modern(expression, adjective, odd, old, primitive)
1
not with it(expression, idiom, odd, old, primitive)
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APASmart Define. (2016). antique thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/antique/thesaurus/synonyms
ChicagoSmart Define. 2016. "antique thesaurus" https://smartdefine.org/antique/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, antique thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/antique/thesaurus/synonyms>.
MLASmart Define. "antique thesaurus" 29 February 2016. Web. 26 September 2026. <https://smartdefine.org/antique/thesaurus/synonyms>