113 entries under adjective topic. ×

26
constant(stable, continuous, stability, enduring)
23
everlasting(stable, constant, continuous, enduring)
22
eternal(pause, constant, endless, enduring)
19
permanent(verb, continue, constant, stability)
19
continual(stable, constant, continuous, enduring)
18
perpetual(stable, constant, continuous, enduring)
16
lasting(continue, constant, continuous, enduring)
15
durable(continue, stable, constant, stability)
15
persistent(continue, constant, continuous, enduring)
13
recurrent(regular, routine, continuous, enduring)
12
long-lived(continue, familiar, established, enduring)
11
endless(constant, continuous, permanent, everlasting)
11
enduring(continue, stable, constant, lasting)
11
incessant(constant, continuous, enduring, permanent)
11
unceasing(constant, continuous, enduring, lasting)
11
undying(continuous, enduring, lasting, permanent)
10
imperishable(stable, constant, enduring, lasting)
10
chronic(persistent, hardened, enduring, lasting)
10
immortal(constant, continuous, endless, indefinite)
10
lifelong(familiar, established, hardened, enduring)
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APASmart Define. (2015). perennial thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/perennial/thesaurus/synonyms
ChicagoSmart Define. 2015. "perennial thesaurus" https://smartdefine.org/perennial/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, perennial thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/perennial/thesaurus/synonyms>.
MLASmart Define. "perennial thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/perennial/thesaurus/synonyms>