80 entries under persistent topic. ×

5
unrelenting(adjective, certain, constant, reliable)
4
ineradicable(adjective, fixed, remaining, chronic)
4
protracted(adjective, great, deep, high)
4
regular(adjective, constant, continuous, established)
4
relentless(adjective, constant, continuous, endless)
3
even(adjective, calm, strong, secure, firm)
3
habitual(adjective, fixed, constant, continuous)
3
haunting(adjective, outstanding, remarkable, notable)
3
nonstop(adjective, constant, continuous, endless)
3
uniform(adjective, calm, strong, secure, firm)
2
confirmed(adjective, fixed, remaining, chronic)
2
connected(adjective, continuous, endless, relentless)
2
deep-seated(adjective, fixed, remaining, chronic)
2
homogeneous(adjective, continuous, endless, relentless)
2
monotonous(adjective, continuous, endless, relentless)
2
obstinate
2
recurrent(adjective, continuous, everlasting, uninterrupted)
2
rooted(adjective, remaining)
2
unabating
2
unbroken(adjective, constant, continuous, endless)
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APASmart Define. (2016). lasting thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/lasting/thesaurus/synonyms
ChicagoSmart Define. 2016. "lasting thesaurus" https://smartdefine.org/lasting/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, lasting thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/lasting/thesaurus/synonyms>.
MLASmart Define. "lasting thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/lasting/thesaurus/synonyms>