19 entries under stable topic. ×

12
perennial(adjective, continue, constant, enduring)
11
perpetual(adjective, constant, endless, enduring)
9
indestructible(adjective, strong, tough, constant)
6
everlasting(adjective, strong, constant, enduring)
5
constant(adjective, calm, strong, substantial)
4
imperishable(adjective, constant, enduring, lasting)
3
continual(adjective, constant, enduring, lasting)
2
perduring(tough, sturdy, constant, enduring)
2
steadfast(calm, strong, solid, steady)
2
unfading(constant, enduring, lasting, permanent)
1
fixed(tough, sturdy, constant, enduring)
1
forever(constant, enduring, lasting, permanent)
1
in for the long haul(expression, idiom, constant, enduring)
1
unchanging(steady, even, constant, enduring)
0
changeless(constant, enduring, lasting, durable)
0
diurnal(constant, enduring, lasting, durable)
0
for keeps(expression, constant, enduring, lasting)
0
forever and a day(expression, idiom, constant, lasting)
0
set in concrete(expression, constant, enduring, lasting)
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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>