4
histories
3
antecedents
3
formers(noun, adjective)
3
lasts(verb, adjective)
3
olds(noun, adjective)
3
priors(noun, adjective)
2
ancients(noun, adjective, formers)
2
bygones
2
bys
2
exes
2
outsides
2
overs
2
yesterdays
1
antiquities
1
backs
1
backwards
1
behinds
1
foretime
1
formerlies
1
forwards
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APASmart Define. (2013). pasts thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/pasts/thesaurus/synonyms
ChicagoSmart Define. 2013. "pasts thesaurus" https://smartdefine.org/pasts/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, pasts thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/pasts/thesaurus/synonyms>.
MLASmart Define. "pasts thesaurus" 17 June 2013. Web. 20 September 2026. <https://smartdefine.org/pasts/thesaurus/synonyms>