2
bygone(noun, adjective, past)
2
aforetime(adverb, earlier, then, before, once)
2
at one time(expression, idiom, adverb, earlier, then)
2
back when(expression, adverb, earlier, then, before)
2
before now(expression, adverb, earlier, then, before)
2
before this(expression, adverb, earlier, then, before)
2
down memory lane(expression, adjective, idiom, adverb, dead)
2
eons ago(expression, adverb, earlier, then, before)
2
erewhile(adverb, earlier, then, before, once)
2
erstwhile(adjective, adverb, dead, past, lost)
2
in former times(expression, idiom, adverb, earlier, then)
2
in the olden days(expression, idiom, adverb, earlier, then)
2
in the past(expression, idiom, adverb, earlier, then)
2
lately(adverb, earlier, then, before, once)
2
long ago(expression, adverb, earlier, then, before)
2
of old(expression, adjective, adverb, dead, past)
2
of yore(expression, adjective, adverb, dead, past)
2
olden days(expression, adverb, earlier, then, before)
2
once upon a time(expression, idiom, adverb, earlier, then)
2
radically(adverb, earlier, then, before, once)
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APASmart Define. (2011). water under the bridge thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/water_under_the_bridge/thesaurus/synonyms
ChicagoSmart Define. 2011. "water under the bridge thesaurus" https://smartdefine.org/water_under_the_bridge/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2011, water under the bridge thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/water_under_the_bridge/thesaurus/synonyms>.
MLASmart Define. "water under the bridge thesaurus" 24 May 2011. Web. 24 September 2026. <https://smartdefine.org/water_under_the_bridge/thesaurus/synonyms>