33 entries under erstwhile topic. ×

2
lately(adverb, earlier, then, before, once)
2
olden days(noun, expression, adjective, adverb, past)
2
radically(adverb, earlier, then, before, once)
2
time was(expression, adjective, adverb, late, past)
2
used to be(expression, idiom, adverb, earlier, then)
2
water under the bridge(expression, idiom, adverb, earlier, then)
1
above(adjective, old, past, higher, upper)
1
aforementioned(adjective, old, past, higher, upper)
1
ex-(adjective, old, past, higher, upper)
1
foregoing(adjective, old, past, higher, upper)
1
long gone(expression, adjective, old, past, departed)
1
old(adjective, adverb, late, earlier, before)
1
preceding(adjective, old, past, higher, upper)
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APASmart Define. (2015). long ago thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/long_ago/thesaurus/synonyms
ChicagoSmart Define. 2015. "long ago thesaurus" https://smartdefine.org/long_ago/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, long ago thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/long_ago/thesaurus/synonyms>.
MLASmart Define. "long ago thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/long_ago/thesaurus/synonyms>