12
past(noun, time, past, today, antiquity)
10
yesteryear(noun, time, past, history, antiquity)
8
history(noun, past, antiquity, experiences)
5
recently(noun, adverb, today)
5
hitherto
5
lang syne(noun, today)
5
lately(adverb, newness, the past)
5
then
4
yore(noun, time, past)
4
formerly
3
bygone days(noun, expression, idiom, time)
3
foretime(noun, today)
3
past times(expression, idiom)
3
earlier
3
only yesterday(expression, idiom, newness)
3
previously
2
before
2
bygone times(expression, past, antiquity, experiences)
2
days gone by(noun, expression, idiom, time)
2
in the past(expression, idiom, adverb)
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APASmart Define. (2015). yesterday thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/yesterday/thesaurus/synonyms
ChicagoSmart Define. 2015. "yesterday thesaurus" https://smartdefine.org/yesterday/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, yesterday thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/yesterday/thesaurus/synonyms>.
MLASmart Define. "yesterday thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/yesterday/thesaurus/synonyms>