34 entries under unfashionable topic. ×

8
extinct(adjective, dead, out, antiquated)
7
musty(adjective, stale, antiquated, aged)
6
outdated(adjective, last, original, old, venerable)
3
past(last, original, primitive, venerable)
3
vintage(feature, characteristic, detail, outdated)
2
dead(adjective, out, antique, antiquated)
2
fossilized(tired, bent, outdated, obsolete)
2
grown old(expression, antiquated, archaic)
2
obsolescent(adjective, old, outdated, obsolete)
2
oldfangled(last, original, primitive, venerable)
2
out(adjective, dead, antique, antiquated)
2
tired(bent, outdated, obsolete, antiquated)
1
old-hat(dead, antique, antiquated, outmoded)
1
out of style(expression, idiom, antiquated, archaic)
1
outworn(dead, out, old, antiquated)
0
behind the times(expression, idiom, old, antiquated)
0
bent(tired, outdated, obsolete, antiquated)
0
corny(antiquated, archaic)
0
demoded(antiquated, archaic)
0
disapproved(antiquated, archaic)
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APASmart Define. (2015). antediluvian thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/antediluvian/thesaurus/synonyms
ChicagoSmart Define. 2015. "antediluvian thesaurus" https://smartdefine.org/antediluvian/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, antediluvian thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/antediluvian/thesaurus/synonyms>.
MLASmart Define. "antediluvian thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/antediluvian/thesaurus/synonyms>