10
practiced(adjective, characteristic, ability, smart, familiar)
10
primordial(adjective, simple, last, original, past)
9
hackneyed(adjective, beat, hard, informal, last)
9
old-time(adjective, dull, new, last, odd)
9
out of date(expression, adjective, idiom)
9
prehistoric(adjective, before)
9
versed(adjective, ability, smart, familiar, sophisticated)
9
veteran(adjective, ability, smart, familiar, sophisticated)
9
worn(adjective, feeble, gray, shabby, flimsy)
8
late(adjective, adverb, last, dead, past)
8
age-old(adjective, new, old, gray, traditional)
8
early(adjective, last, original, late, past)
8
gray(noun, adjective, age, aged, older)
8
older(adjective, venerable, early, antique, aged)
8
once(adjective, adverb, last, late, past)
8
skilled(adjective, characteristic, smart, familiar, knowledgeable)
8
unoriginal(adjective, hard, last, tired, remote)
7
whilom(adjective, precede, bygone, antecedent, foretime)
7
good(adjective, smart, property, practical, expert)
7
long-lived(adjective, continue, familiar, established, hardened)
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APASmart Define. (2016). old thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/old/thesaurus/synonyms
ChicagoSmart Define. 2016. "old thesaurus" https://smartdefine.org/old/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, old thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/old/thesaurus/synonyms>.
MLASmart Define. "old thesaurus" 29 February 2016. Web. 23 September 2026. <https://smartdefine.org/old/thesaurus/synonyms>