51 entries under original topic. ×

24
former(noun, adjective, order, time, back)
14
bygone(adjective, last, dead, odd)
13
erstwhile(adjective, old, previous, former)
12
quondam(noun, adjective, old, previous)
12
late(adjective, dead, old, previous)
9
olden(adjective, odd, old, primitive)
9
sometime(adjective, old, previous, outdated)
6
obsolete(adjective, last, dead, odd)
6
onetime(adjective, last, primitive, outdated)
6
passe(adjective, hard, last, odd)
5
antiquated(adjective, hard, last, odd)
5
antique(adjective, last, odd, old)
5
done(adjective, split, lacking, finished)
5
early(adjective, last, old, primitive)
5
once(adjective, old, previous, outdated)
5
primeval(adjective, last, primitive, venerable)
4
old-time(adjective, last, odd, old)
3
dated(adjective, last, odd, old)
3
old-fashioned(noun, adjective, last, primitive)
3
oldfangled(adjective, last, odd, old)
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APASmart Define. (2015). past thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/past/thesaurus/synonyms
ChicagoSmart Define. 2015. "past thesaurus" https://smartdefine.org/past/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, past thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/past/thesaurus/synonyms>.
MLASmart Define. "past thesaurus" 25 May 2015. Web. 25 September 2026. <https://smartdefine.org/past/thesaurus/synonyms>