64 entries under earlier topic. ×

2
lately(adverb, then, before, once)
2
long ago(expression, idiom, adverb, late, old)
2
of old(expression, adverb, last, original, dead)
2
of yore(expression, adverb, last, original, dead)
2
olden days(expression, adverb, late, old, past)
2
once upon a time(expression, idiom, adverb, late)
2
other(adjective, head, last, previous)
2
radically(adverb, then, before, once)
2
some time ago(expression, idiom, adverb, late)
2
time was(expression, adverb, late, old, past)
2
used to be(expression, idiom, adverb, then)
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
behind one(expression, adjective, late, old, past)
1
gone-by(adjective, late, old, past, previous)
1
good old days(expression, idiom, late, old, past)
1
latter(adjective, late, old, past, previous)
1
latter-day(adjective, late, old, past, previous)
1
long-ago(adjective, late, old, past, previous)
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APASmart Define. (2015). erstwhile thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/erstwhile/thesaurus/synonyms
ChicagoSmart Define. 2015. "erstwhile thesaurus" https://smartdefine.org/erstwhile/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, erstwhile thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/erstwhile/thesaurus/synonyms>.
MLASmart Define. "erstwhile thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/erstwhile/thesaurus/synonyms>