8 entries under perpetual topic. ×

2
durable(stable, constant, enduring, lasting)
2
fixed(stable, constant, enduring, lasting, static)
2
long-lasting(stable, constant, enduring, lasting, durable)
2
perduring(stable, constant, vast, enduring, lasting)
2
stable(constant, enduring, lasting)
2
steadfast(stable, constant, enduring, lasting)
1
diurnal(stable, constant, vast, enduring, lasting)
1
set in concrete(expression, stable, constant, vast, enduring)
11 years ago|4.1k views|share |citing 
APASmart Define. (2015). unfading thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unfading/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfading thesaurus" https://smartdefine.org/unfading/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unfading thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unfading/thesaurus/synonyms>.
MLASmart Define. "unfading thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/unfading/thesaurus/synonyms>