83 entries under persistent topic. ×

38
firm(adjective, strain, firmness, continuous)
38
stable(adjective, strain, firmness, continuous)
36
consistent(adjective, strain, firmness, continuous)
36
unfluctuating(adjective, strain, firmness, continuous)
25
constant(adjective, strain, firmness, continuous)
23
lasting(adjective, great, strain, deep, high)
23
perpetual(adjective, strain, firmness, constant)
22
steady(adjective, strain, firmness, continuous)
21
enduring(adjective, great, strain, deep, high)
20
steadfast(adjective, strain, firmness, continuous)
19
permanent(adjective, strain, firmness, continuous)
18
lingering(adjective, great, strain, slow, deep)
18
invariable(adjective, strain, firmness, continuous)
18
stabile(adjective, strain, firmness, continuous)
18
unalterable(adjective, strain, firmness, continuous)
10
continuous(adjective, constant, unyielding, endless)
10
uninterrupted(adjective, constant, continuous, endless)
7
prolonged(verb, adjective, great, slow, deep)
7
unceasing(adjective, constant, continuous, endless)
6
continual(adjective, constant, continuous, endless)
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APASmart Define. (2015). sustained thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sustained/thesaurus/synonyms
ChicagoSmart Define. 2015. "sustained thesaurus" https://smartdefine.org/sustained/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, sustained thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sustained/thesaurus/synonyms>.
MLASmart Define. "sustained thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/sustained/thesaurus/synonyms>