10 entries under chronic topic. ×

3
persisting(adjective, persistent, continuous, hardened, lasting)
2
confirmed(adjective, persistent, continuous, hardened, lasting)
1
habitual(persistent, continuous, hardened, lasting, continuing)
1
inbred(persistent, continuous, hardened, lasting, continuing)
1
incurable(persistent, continuous, hardened, lasting, continuing)
1
ineradicable(persistent, continuous, hardened, lasting, continuing)
1
ingrained(persistent, continuous, hardened, lasting, continuing)
1
obstinate(persistent, continuous, hardened, lasting, continuing)
1
usual(persistent, continuous, hardened, lasting, continuing)
0
hardened(familiar, established, confirmed, long-established)
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APASmart Define. (2016). long-lived thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/long-lived/thesaurus/synonyms
ChicagoSmart Define. 2016. "long-lived thesaurus" https://smartdefine.org/long-lived/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, long-lived thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/long-lived/thesaurus/synonyms>.
MLASmart Define. "long-lived thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/long-lived/thesaurus/synonyms>