7
bygone(adjective, late, old, past, previous)
7
departed
5
gone
4
foregone
4
past(adjective, former, olden)
3
dead
2
defunct
2
erstwhile(adjective, late, old, past, previous)
2
former(adjective, late, old, past, previous)
2
over(adjective, late, old, past, previous)
2
passe
2
quondam(adjective, late, old, past, previous)
2
vanished
1
ages ago(expression, adjective, late, old, past)
1
ago
1
ancient(adjective, late, old, past, previous)
1
ancient history(expression, adjective, late, old, past)
1
antiquated
1
antique
1
back when(expression, adjective, late, old, past)
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APASmart Define. (2015). bypast thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/bypast/thesaurus/synonyms
ChicagoSmart Define. 2015. "bypast thesaurus" https://smartdefine.org/bypast/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, bypast thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/bypast/thesaurus/synonyms>.
MLASmart Define. "bypast thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/bypast/thesaurus/synonyms>