124 entries under constant topic. ×

7
continued(adjective, strong, firm, determined, steady)
7
dedicated(adjective, strong, firm, determined, steady)
7
patient(noun, adjective, strong, firm, energetic)
7
unvarying(adjective, steady, regular, even)
6
bound(adjective, strong, tough, flat, firm)
6
true(adjective, strong, tough, flat, firm)
6
uniform(adjective, steady, regular, even)
5
even(adjective, steady, regular, uniform)
5
monotonous(adjective, common, regular, normal)
5
never-ending(adjective, determined, steady, regular, even)
5
perdurable(adjective, continue, sturdy, enduring)
5
solid(adjective, strong, tough, firm, certain)
5
unbending(adjective, strong, tough, severe, flat)
4
bound and determined(expression, adjective, idiom, determined, serious)
4
dependable(adjective, strong, tough, certain, regular)
4
homogeneous(adjective, regular, even, uniform)
4
plodding(adjective, strong, firm, determined, steady)
4
prolonged(adjective, continue, lasting, protracted)
4
reliable(adjective, strong, tough, honest, certain)
4
timeless(adjective, continue, steady, continuous)
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APASmart Define. (2015). persistent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/persistent/thesaurus/synonyms
ChicagoSmart Define. 2015. "persistent thesaurus" https://smartdefine.org/persistent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, persistent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/persistent/thesaurus/synonyms>.
MLASmart Define. "persistent thesaurus" 1 June 2015. Web. 20 September 2026. <https://smartdefine.org/persistent/thesaurus/synonyms>