64 entries under adjective topic. ×

4
then
3
ancient(dead, late, old, past)
3
antecedent
3
ex(previous, former, earlier, preceding)
2
anterior
2
bypast(late, old, past, previous)
2
ex-(late, old, past, previous)
2
future
2
gone(dead, past, lost, previous)
2
old-time(last, original, dead, past)
2
oldfangled(last, original, dead, past)
2
other(head, last, previous, earlier)
1
ages ago(expression, late, old, past)
1
ancient history(expression, late, old, past)
1
antiquated(last, original, dead, past)
1
archaic(last, original, dead, past)
1
behind one(expression, late, old, past)
1
belated(dead, past, lost, previous)
1
dated(last, original, dead, past)
1
dead(past, lost, previous, former)
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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>