68 entries under former topic. ×

1
departed(adjective, dead, old, past, lost)
1
extinct(adjective, dead, past, lost, previous)
1
forgotten(adjective, dead, past, lost, previous)
1
gone-by(adjective, late, old, past, previous)
1
gone by(expression, adjective, dead, late, old)
1
good old days(expression, idiom, late, old, past)
1
in oblivion(expression, adjective, dead, past, lost)
1
latter(adjective, late, old, past, previous)
1
latter-day(adjective, late, old, past, previous)
1
long-ago(adjective, late, old, past, previous)
1
lost(adjective, dead, past, previous)
1
old-fashioned(adjective, last, original, dead, past)
1
out-of-date(adjective, last, original, dead, remote)
1
over(adjective, late, old, past, previous)
1
retired(adjective, late, old, past, previous)
1
vanished(adjective, dead, past, lost, previous)
1
water over the dam(expression, adjective, idiom, dead, past)
1
way back(expression, adjective, late, old, past)
1
way back when(expression, idiom, late, old, past)
0
asleep(previous, deceased)
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APASmart Define. (2015). erstwhile thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/erstwhile/thesaurus/synonyms
ChicagoSmart Define. 2015. "erstwhile thesaurus" https://smartdefine.org/erstwhile/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, erstwhile thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/erstwhile/thesaurus/synonyms>.
MLASmart Define. "erstwhile thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/erstwhile/thesaurus/synonyms>