15 entries under chronic topic. ×

9
long-standing(adjective, continue, hardened, existing, confirmed)
4
inveterate(adjective, familiar, established, hardened, confirmed)
3
persisting(adjective, hardened, enduring, permanent, confirmed)
1
deep-rooted(adjective, hardened, permanent, confirmed)
1
ineradicable(adjective, hardened, confirmed)
0
confirmed(adjective, hardened)
0
deep-seated(adjective, hardened, confirmed)
0
habitual(adjective, hardened, confirmed)
0
hardened(familiar, established, confirmed, long-established)
0
inbred(adjective, hardened, confirmed)
0
incurable(adjective, hardened, confirmed)
0
ingrained(adjective, hardened, confirmed)
0
obstinate(adjective, hardened, confirmed)
0
settled(adjective, hardened, confirmed)
0
usual(adjective, hardened, confirmed)
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APASmart Define. (2015). long-lasting thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/long-lasting/thesaurus/synonyms
ChicagoSmart Define. 2015. "long-lasting thesaurus" https://smartdefine.org/long-lasting/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, long-lasting thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/long-lasting/thesaurus/synonyms>.
MLASmart Define. "long-lasting thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/long-lasting/thesaurus/synonyms>