60 entries under adverb topic. ×

10
once(adjective, late, old, past)
8
before(late, earlier, then, once)
7
away back(expression, late, past, earlier)
6
previously
5
ages ago(expression, past, memories, old times)
5
already(late, earlier, then, before)
5
earlier(adjective, late, old, past)
5
of yore(expression, adjective, old, past)
5
once upon a time(expression, idiom, late, past)
5
some time ago(expression, idiom, late, earlier)
4
erstwhile(adjective, late, old, past)
4
lang syne(expression, past, memories, old times)
3
anciently(earlier, then, before, once)
3
heretofore(late, earlier, then, before)
3
long since
3
of old(expression, adjective, earlier, then)
2
aforetime(earlier, then, before, once)
2
at one time(expression, idiom, late, earlier)
2
back(late, earlier, then, before)
2
back when(expression, adjective, late, past)
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APASmart Define. (2015). long ago thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/long_ago/thesaurus/synonyms
ChicagoSmart Define. 2015. "long ago thesaurus" https://smartdefine.org/long_ago/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, long ago thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/long_ago/thesaurus/synonyms>.
MLASmart Define. "long ago thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/long_ago/thesaurus/synonyms>