50 entries under noun topic. ×

20
former(adjective, order, time, last)
11
antique(adjective, value, new, last)
8
passé(adjective, plain, new, last)
8
quondam(adjective, last, original, late)
7
curiosity(item, antique, trinket, oddity)
3
antecedent(old, past, foretime)
3
has-been
3
water under the bridge(adjective, past)
3
yesteryear(old, past, foretime)
3
yore(adjective, past)
2
background(old, past, foretime)
2
curio(antique, freak, trinket, oddity)
2
heretofore(adverb, old, past, foretime)
2
history(old, past, foretime)
1
bibelot(antique, freak, trinket, oddity)
1
rarity(thing, object, item, article)
1
yesterday
0
account
0
annals
0
anomaly(freak, oddity, rarity, curio)
<123>
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APASmart Define. (2015). bygone thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/bygone/thesaurus/synonyms
ChicagoSmart Define. 2015. "bygone thesaurus" https://smartdefine.org/bygone/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, bygone thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/bygone/thesaurus/synonyms>.
MLASmart Define. "bygone thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/bygone/thesaurus/synonyms>