113 entries under adjective topic. ×

6
timeless(constant, endless, indefinite, lasting)
6
uninterrupted(enduring, continuity, perpetual)
6
unvarying
5
steady(familiar, continuous, established, long-established)
5
immutable(stable, constant, stability, enduring)
5
interminable(continuous, durable)
5
invariable(stable, constant, continuous, stability)
5
long-standing(continue, persistent, continuous, hardened)
5
never-ending(enduring, perpetual)
4
connected
4
cyclical(regular, routine, continuous, occasional)
4
indestructible(stable, constant, enduring, lasting)
4
monotonous
4
repetitive
4
unbroken(continuous, continuity)
4
unfailing(enduring, perpetual)
4
uniform
3
consecutive(continuous, continuity)
3
featureless
3
gapless
11 years ago|12k views|share |citing 
APASmart Define. (2015). perennial thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/perennial/thesaurus/synonyms
ChicagoSmart Define. 2015. "perennial thesaurus" https://smartdefine.org/perennial/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, perennial thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/perennial/thesaurus/synonyms>.
MLASmart Define. "perennial thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/perennial/thesaurus/synonyms>