120 entries under adjective topic. ×

63
persistent(strain, firmness, constant, continuous)
38
firm(strain, firmness, persistent, continuous)
38
stable(strain, firmness, persistent, continuous)
36
consistent(strain, firmness, persistent, continuous)
36
unfluctuating(strain, firmness, persistent, continuous)
25
constant(strain, firmness, persistent, continuous)
23
lasting(great, strain, deep, high)
23
perpetual(strain, firmness, persistent, constant)
22
steady(strain, firmness, persistent, continuous)
21
enduring(great, strain, deep, high)
20
steadfast(strain, firmness, persistent, continuous)
19
permanent(strain, firmness, persistent, continuous)
19
durable(strain, firmness, labour, hardiness)
19
quiescent(strain, firmness, labour, hardiness)
19
rigid(strain, firmness, labour, hardiness)
19
stationary(strain, firmness, labour, hardiness)
19
staying(strain, firmness, labour, hardiness)
19
unyielding(strain, firmness, labour, hardiness)
18
lingering(great, strain, slow, deep)
18
invariable(strain, firmness, persistent, continuous)
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APASmart Define. (2015). sustained thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sustained/thesaurus/synonyms
ChicagoSmart Define. 2015. "sustained thesaurus" https://smartdefine.org/sustained/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, sustained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sustained/thesaurus/synonyms>.
MLASmart Define. "sustained thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/sustained/thesaurus/synonyms>