33 entries under perpetual topic. ×

15
durable(adjective, tough, continue, stable, enduring)
10
permanent(adjective, tough, continue, sturdy, constant)
8
enduring(adjective, tough, continue, familiar, sturdy)
8
lasting(adjective, tough, continue, sturdy, constant)
8
perennial(adjective, continue, familiar, constant, enduring)
8
persistent(adjective, tough, continue, sturdy, constant)
6
abiding(adjective, tough, continue, sturdy, enduring)
5
constant(adjective, tough, familiar, sturdy, enduring)
5
eternal(adjective, continuous, enduring, lasting, permanent)
4
immutable(adjective, stable, constant, enduring, lasting)
4
inveterate(adjective, familiar, established, hardened, confirmed)
4
perdurable(adjective, tough, continue, sturdy, enduring)
4
steadfast(adjective, stable, constant, enduring, lasting)
3
everlasting(adjective, stable, constant, enduring, lasting)
2
forever(stable, constant, enduring, lasting, permanent)
2
imperishable(adjective, stable, constant, enduring, lasting)
2
unchanging(adjective, stable, constant, enduring, lasting)
2
undying(adjective, continuous, enduring, lasting, permanent)
2
unending(adjective, continuous, enduring, lasting, permanent)
2
unfading(stable, constant, enduring, lasting, durable)
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APASmart Define. (2015). long-lasting thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/long-lasting/thesaurus/synonyms
ChicagoSmart Define. 2015. "long-lasting thesaurus" https://smartdefine.org/long-lasting/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, long-lasting thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/long-lasting/thesaurus/synonyms>.
MLASmart Define. "long-lasting thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/long-lasting/thesaurus/synonyms>