30 entries under constant topic. ×

15
everlasting(adjective, enduring, lasting, infinite)
13
permanent(adjective, fixed, enduring, lasting)
12
perpetual(adjective, enduring, lasting, continual)
11
indestructible(adjective, stable, moral, stability)
10
enduring(adjective, fixed, lasting, durable)
9
abiding(adjective, enduring, lasting, permanent)
9
perennial(adjective, stable, enduring, lasting)
8
unfading(adjective, stable, fixed, lasting)
5
durable(adjective, stable, enduring, lasting)
5
lasting(adjective, enduring, permanent, durable)
3
continual(adjective, stable, continuous, enduring)
3
unchanging(adjective, stable, fixed, enduring)
2
fixed(adjective, stable, enduring, lasting)
2
forever(adjective, stable, vast, enduring)
2
long-lasting(adjective, stable, enduring, lasting)
2
perdurable(adjective, stable, enduring, lasting)
1
changeless(adjective, stable, fixed, enduring)
1
diurnal(stable, vast, enduring, lasting)
1
for keeps(expression, stable, enduring, lasting)
1
forever and a day(expression, idiom, stable, lasting)
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APASmart Define. (2016). imperishable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/imperishable/thesaurus/synonyms
ChicagoSmart Define. 2016. "imperishable thesaurus" https://smartdefine.org/imperishable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, imperishable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/imperishable/thesaurus/synonyms>.
MLASmart Define. "imperishable thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/imperishable/thesaurus/synonyms>