13
past(noun, adjective, former, preceding, done)
6
present(noun, adjective, time, late, past)
4
aforementioned
3
bygone
3
former(adjective, order, time)
3
yore
2
as mentioned before
2
departed
2
existing
2
instant
2
late
2
old
2
olden
2
once(adverb, hitherto, instanter)
2
previous
2
recent(adjective, current)
2
retrospective
2
time
2
yesteryear
1
ago
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APASmart Define. (2015). future thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/future/thesaurus/antonyms
ChicagoSmart Define. 2015. "future thesaurus" https://smartdefine.org/future/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, future thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/future/thesaurus/antonyms>.
MLASmart Define. "future thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/future/thesaurus/antonyms>