94 entries under old topic. ×

3
primordial(adjective, original, past, venerable)
3
yesteryear(noun, past, foretime)
2
back when(expression, adverb, late, past)
2
background(noun, past, foretime)
2
foregoing(adjective, late, past, previous)
2
gone-by(adjective, late, past, previous)
2
heretofore(noun, adverb, past, foretime)
2
history(noun, past, foretime)
2
old-hat(dead, odd, primitive, unfashionable)
2
one-time(adjective, last, late, past)
2
outworn(dead, odd, out, primitive)
2
primeval(adjective, original, past, venerable)
2
primitive(adjective, last, original, odd)
2
rococo(adjective, odd, primitive, unfashionable)
2
superannuated(adjective, original, dead, odd, out)
2
time was(expression, adverb, late, past)
2
unfashionable(adjective, plain, last, original, dead)
2
unstylish(adjective, plain, odd, drab)
1
age-old(last, original, venerable, outdated)
1
ages ago(expression, adjective, late, past)
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APASmart Define. (2015). bygone thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/bygone/thesaurus/synonyms
ChicagoSmart Define. 2015. "bygone thesaurus" https://smartdefine.org/bygone/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, bygone thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/bygone/thesaurus/synonyms>.
MLASmart Define. "bygone thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/bygone/thesaurus/synonyms>