68 entries under former topic. ×

2
bypast(adjective, late, old, past, previous)
2
down memory lane(expression, idiom, adverb, dead, late)
2
ex-(adjective, late, old, past, previous)
2
gone(adjective, dead, past, lost, previous)
2
of old(expression, adverb, last, original, dead)
2
of yore(expression, adverb, last, original, dead)
2
old-time(adjective, last, original, dead, past)
2
olden days(expression, adverb, late, old, past)
2
oldfangled(adjective, last, original, dead, past)
2
time was(expression, adverb, late, old, past)
2
water under the bridge(expression, idiom, dead, past, lost)
1
ages ago(expression, adjective, late, old, past)
1
ancient history(expression, adjective, late, old, past)
1
antiquated(adjective, last, original, dead, past)
1
archaic(adjective, last, original, dead, past)
1
behind one(expression, adjective, late, old, past)
1
belated(adjective, dead, past, lost, previous)
1
dated(adjective, last, original, dead, past)
1
dead(adjective, past, lost, previous)
1
defunct(adjective, dead, past, lost, previous)
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APASmart Define. (2015). erstwhile thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/erstwhile/thesaurus/synonyms
ChicagoSmart Define. 2015. "erstwhile thesaurus" https://smartdefine.org/erstwhile/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, erstwhile thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/erstwhile/thesaurus/synonyms>.
MLASmart Define. "erstwhile thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/erstwhile/thesaurus/synonyms>