75 entries under continuous topic. ×

3
undeviating(adjective, stability)
2
even
2
persisting(persistent, hardened, lasting, permanent)
1
coherent
1
confirmed(persistent, hardened, lasting, continuing)
1
consistent
1
deep-rooted(persistent, hardened, lasting, permanent)
1
deep-seated(persistent, hardened, lasting, continuing)
1
flat
1
homogeneous
1
inbred(persistent, hardened, lasting, continuing)
1
incurable(persistent, hardened, lasting, continuing)
1
indefatigable
1
ineradicable(adjective, persistent, hardened, lasting)
1
ingrained(persistent, hardened, lasting, continuing)
1
level
1
monolithic
1
obstinate(persistent, hardened, lasting, continuing)
1
recurring(regular, routine, persistent, lasting)
1
robot-like
11 years ago|12k views|share |citing 
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>