60 entries under incessant topic. ×

8
rooted(adjective, usual, fixed, persistent, established)
8
settled(adjective, set, fixed, established, hardened)
7
deep-rooted(adjective, set, fixed, established, lasting)
7
tenacious(adjective, persistent, continuous, lasting, habitual)
6
abiding(adjective, fixed, persistent, old, continuous)
6
long-standing(adjective, persistent, continuous, hardened, lasting)
5
lifelong(adjective, fixed, persistent, hardened, lasting)
5
prolonged(adjective, continue, persistent, constant, lasting)
5
protracted(adjective, continue, persistent, continuous, lasting)
5
recurrent(adjective, usual, regular, constant, established)
5
recurring(adjective, persistent, continuous, lasting, continuing)
5
unceasing(adjective, persistent, constant, continuous, endless)
4
ceaseless(adjective, fixed, persistent, constant, continuous)
4
everlasting(adjective, persistent, constant, continuous, endless)
4
persisting(adjective, persistent, constant, current, old)
4
regular(adjective, common, ordinary, natural, usual)
4
sustained(adjective, persistent, constant, continuous, endless)
3
endless(adjective, persistent, constant, continuous, relentless)
3
inbred(adjective, fixed, persistent, hardened, lasting)
3
incurable(adjective, fixed, persistent, hardened, lasting)
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APASmart Define. (2016). chronic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/chronic/thesaurus/synonyms
ChicagoSmart Define. 2016. "chronic thesaurus" https://smartdefine.org/chronic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, chronic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/chronic/thesaurus/synonyms>.
MLASmart Define. "chronic thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/chronic/thesaurus/synonyms>