21 entries under permanent topic. ×

11
indestructible(adjective, stable, moral, constant, stability)
9
abiding(adjective, constant, enduring, lasting)
9
perennial(adjective, stable, constant, enduring, lasting)
8
timeless(adjective, vast, lasting, everlasting)
8
unfading(adjective, stable, fixed, constant, lasting)
7
ageless(fixed, lasting, unchangeable, everlasting)
5
lasting(adjective, constant, enduring, durable)
5
unceasing(adjective, continuous, lasting, everlasting)
3
dateless(lasting, everlasting, unending, undying)
3
indissoluble(adjective, stability, everlasting, eternal)
3
unchanging(adjective, stable, fixed, constant, enduring)
2
forever(adjective, stable, constant, vast, enduring)
2
perdurable(adjective, stable, constant, enduring, lasting)
1
continued(continuous, lasting, everlasting, uninterrupted)
1
immemorial(vast, lasting, everlasting, unending)
1
immutable(adjective, stable, fixed, constant, enduring)
1
indefinite(lasting, everlasting, unending, undying)
1
termless(vast, lasting, everlasting, unending)
1
unremitting(continuous, lasting, everlasting, uninterrupted)
1
without end(expression, continuous, vast, lasting)
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APASmart Define. (2016). imperishable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/imperishable/thesaurus/synonyms
ChicagoSmart Define. 2016. "imperishable thesaurus" https://smartdefine.org/imperishable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, imperishable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/imperishable/thesaurus/synonyms>.
MLASmart Define. "imperishable thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/imperishable/thesaurus/synonyms>