9 entries under chronic topic. ×

4
inveterate(adjective, persistent, continuous, hardened, lasting)
3
old(adjective, continue, customary, hardened, traditional)
3
persisting(adjective, persistent, continuous, hardened, lasting)
1
inbred(persistent, continuous, hardened, lasting, continuing)
1
incurable(persistent, continuous, hardened, lasting, continuing)
1
ineradicable(persistent, continuous, hardened, lasting, continuing)
1
lifelong(adjective, persistent, continuous, hardened, lasting)
1
obstinate(persistent, continuous, hardened, lasting, continuing)
1
set(adjective, steady, even, hardened, unchanging)
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APASmart Define. (2015). long-standing thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/long-standing/thesaurus/synonyms
ChicagoSmart Define. 2015. "long-standing thesaurus" https://smartdefine.org/long-standing/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, long-standing thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/long-standing/thesaurus/synonyms>.
MLASmart Define. "long-standing thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/long-standing/thesaurus/synonyms>