40 entries under old topic. ×

2
ex-(adjective, late, past, previous)
2
long ago(expression, idiom, adverb, late)
2
of yore(expression, adverb, last, original, dead)
2
olden days(expression, adverb, late, past)
2
primitive(last, original, past, venerable)
2
time was(expression, adverb, late, past)
1
ages ago(expression, adjective, late, past)
1
ancient history(expression, adjective, late, past)
1
behind one(expression, adjective, late, past)
1
departed(adjective, dead, past, lost)
1
gone-by(adjective, late, past, previous)
1
gone by(expression, adjective, dead, late)
1
good old days(expression, idiom, late, past)
1
latter(adjective, late, past, previous)
1
latter-day(adjective, late, past, previous)
1
long-ago(adjective, late, past, previous)
1
over(adjective, late, past, previous)
1
retired(adjective, late, past, previous)
1
way back(expression, adjective, late, past)
1
way back when(expression, idiom, late, past)
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APASmart Define. (2015). erstwhile thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/erstwhile/thesaurus/synonyms
ChicagoSmart Define. 2015. "erstwhile thesaurus" https://smartdefine.org/erstwhile/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, erstwhile thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/erstwhile/thesaurus/synonyms>.
MLASmart Define. "erstwhile thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/erstwhile/thesaurus/synonyms>