Synonyms|14Antonyms|0|Broader|0Narrower|0Related|0
2
ancient(adjective, new, old, past, historic)
1
age-old(adjective, new)
1
antediluvian(adjective, new)
1
antiquated(adjective, new)
1
antique(adjective, new)
1
hoary(adjective, new, old, past, ancient)
1
old as Methuselah(expression, idiom, old, past, ancient)
1
olden(adjective, new, old)
1
timeworn(adjective, new, old, past, ancient)
0
archaic(adjective, new)
0
cast off(expression, old)
0
old(adjective, new)
0
old-time(adjective, new)
0
venerable(adjective, new)
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APASmart Define. (2011). old as the hills thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/old_as_the_hills/thesaurus/synonyms
ChicagoSmart Define. 2011. "old as the hills thesaurus" https://smartdefine.org/old_as_the_hills/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2011, old as the hills thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/old_as_the_hills/thesaurus/synonyms>.
MLASmart Define. "old as the hills thesaurus" 23 May 2011. Web. 21 September 2026. <https://smartdefine.org/old_as_the_hills/thesaurus/synonyms>