75 entries under continuous topic. ×

6
unvarying
5
steady(adjective, familiar, established, long-established)
5
interminable(adjective, durable)
5
invariable(adjective, stable, constant, stability)
5
long-standing(adjective, continue, persistent, hardened)
4
connected
4
continued(lasting, permanent, everlasting, uninterrupted)
4
cyclical(adjective, regular, routine, occasional)
4
monotonous
4
repetitive
4
unbroken(adjective, continuity)
4
uniform
3
consecutive(adjective, continuity)
3
featureless
3
gapless
3
habitual(adjective, persistent, hardened, lasting)
3
nonstop
3
seamless
3
straight
3
unchangeable(adjective, stability)
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APASmart Define. (2015). perennial thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/perennial/thesaurus/synonyms
ChicagoSmart Define. 2015. "perennial thesaurus" https://smartdefine.org/perennial/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, perennial thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/perennial/thesaurus/synonyms>.
MLASmart Define. "perennial thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/perennial/thesaurus/synonyms>