0
not new(expression, idiom)
0
not young(expression, aged, elderly)
0
obsolescence
0
obsoleteness
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of age(expression, adjective, big)
0
olden(early, antique, aged, elderly, primordial)
0
oldfangled
0
oldish(aged, elderly)
0
oldness
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once
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onetime
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outdate
0
outmoded
0
over the hill(expression, idiom, aged, elderly)
0
parent
0
past
0
patriarchal
0
predecessor
0
prodigious
0
progenitor
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APASmart Define. (2015). older thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/older/thesaurus/synonyms
ChicagoSmart Define. 2015. "older thesaurus" https://smartdefine.org/older/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, older thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/older/thesaurus/synonyms>.
MLASmart Define. "older thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/older/thesaurus/synonyms>