32 entries under persistent topic. ×

10
chronic(adjective, hardened, enduring, lasting)
9
continuous(adjective, constant, continuous, lasting)
8
ceaseless(adjective, constant, continuous, enduring)
6
sustained(verb, adjective, enduring, lasting)
5
long-standing(adjective, continue, continuous, hardened)
3
habitual(adjective, continuous, hardened, lasting)
3
prolonged(adjective, lasting, durable, remaining)
2
persisting(continuous, hardened, lasting, permanent)
2
remaining
1
confirmed(continuous, hardened, lasting, continuing)
1
deep-rooted(continuous, hardened, lasting, permanent)
1
deep-seated(continuous, hardened, lasting, continuing)
1
fixed(adjective, stable, constant, hardened)
1
inbred(continuous, hardened, lasting, continuing)
1
incurable(continuous, hardened, lasting, continuing)
1
ineradicable(adjective, continuous, hardened, lasting)
1
ingrained(continuous, hardened, lasting, continuing)
1
obstinate(continuous, hardened, lasting, continuing)
1
recurring(regular, routine, continuous, lasting)
1
routine(regular, continuous, lasting, continuing)
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APASmart Define. (2015). perennial thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/perennial/thesaurus/synonyms
ChicagoSmart Define. 2015. "perennial thesaurus" https://smartdefine.org/perennial/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, perennial thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/perennial/thesaurus/synonyms>.
MLASmart Define. "perennial thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/perennial/thesaurus/synonyms>