26 entries under perpetual topic. ×

1
diurnal(stable, constant, vast, enduring, lasting)
1
perduring(stable, constant, vast, enduring, lasting)
1
persistent(stable, moral, constant, enduring, lasting)
1
set in concrete(expression, stable, constant, vast, enduring)
1
stable(adjective, constant, enduring, lasting)
0
steadfast(stable, constant, enduring, lasting)
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APASmart Define. (2016). imperishable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/imperishable/thesaurus/synonyms
ChicagoSmart Define. 2016. "imperishable thesaurus" https://smartdefine.org/imperishable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, imperishable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/imperishable/thesaurus/synonyms>.
MLASmart Define. "imperishable thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/imperishable/thesaurus/synonyms>