1
fore
1
foregone
1
hackneyed(last, original, past, venerable, outdated)
1
moth-eaten(last, original, past, venerable, outdated)
1
obsolete(adjective, last, original, previous, other)
1
of old(expression, last, original, primitive, outdated)
1
of yore(expression, last, original, primitive, outdated)
1
old-fashioned(last, original, past, venerable, outdated)
1
old-time(last, original, past, primitive, venerable)
1
oldfangled(last, original, past, primitive, venerable)
1
original(last, past, traditional, primitive, venerable)
1
out-of-date(last, original, past, other, obsolete)
1
outdated(last, original, previous, venerable, other)
1
outmoded(last, original, past, other, outdated)
1
prehistoric
1
primordial(last, original, past, primitive, venerable)
1
pristine(last, original, past, primitive, venerable)
1
relic(last, original, past, primitive, venerable)
1
remote(last, original, past, primitive, venerable)
1
rusty(last, original, past, primitive, venerable)
11 years ago|2.4k views|share |citing 
APASmart Define. (2015). onetime thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/onetime/thesaurus/synonyms
ChicagoSmart Define. 2015. "onetime thesaurus" https://smartdefine.org/onetime/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, onetime thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/onetime/thesaurus/synonyms>.
MLASmart Define. "onetime thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/onetime/thesaurus/synonyms>