68 entries under constant topic. ×

12
durable(adjective, calm, strong, tough, continue)
12
lasting(adjective, calm, strong, tough, continue)
12
perennial(adjective, continue, stable, enduring)
11
perpetual(adjective, stable, endless, enduring)
10
enduring(adjective, calm, strong, continue, substantial)
9
indestructible(adjective, strong, tough, stable)
9
stable(adjective, tough, fixed, sturdy)
8
permanent(adjective, calm, strong, continue, sturdy)
7
abiding(adjective, calm, strong, continue, substantial)
6
everlasting(adjective, strong, stable, enduring)
6
persistent(adjective, continue, sturdy, enduring)
4
imperishable(adjective, stable, enduring, lasting)
3
continual(adjective, stable, enduring, lasting)
3
tough(adjective, calm, strong, solid, steady)
2
immutable(calm, strong, solid, substantial)
2
perduring(tough, stable, sturdy, enduring)
2
steadfast(calm, strong, solid, steady, stable)
2
steady(calm, strong, even, unchanging)
2
unfading(stable, enduring, lasting, permanent)
1
anchored(calm, strong, solid, steady, substantial)
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APASmart Define. (2016). perdurable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/perdurable/thesaurus/synonyms
ChicagoSmart Define. 2016. "perdurable thesaurus" https://smartdefine.org/perdurable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, perdurable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/perdurable/thesaurus/synonyms>.
MLASmart Define. "perdurable thesaurus" 3 March 2016. Web. 21 September 2026. <https://smartdefine.org/perdurable/thesaurus/synonyms>