55 entries under endless topic. ×

5
interminable(adjective, slow, persistent, late, continuous)
4
abiding(adjective, persistent, constant, continuous)
4
even(adjective, persistent, continuous, relentless)
4
fixed(verb, adjective, persistent, constant, continuous)
4
incessant(adjective, persistent, constant, continuous, unyielding)
4
unchanging(adjective, persistent, constant, continuous)
4
uniform(adjective, persistent, continuous, relentless)
4
unremitting(adjective, persistent, constant, continuous, unyielding)
4
unvarying(adjective, persistent, continuous, relentless)
2
chronic(adjective, persistent, constant, continuous)
2
immutable(adjective, persistent, continuous, relentless)
2
nonstop(adjective, persistent, constant, continuous, unyielding)
2
regular(adjective, persistent, constant, continuous)
2
unbroken(adjective, persistent, constant, continuous, unyielding)
1
eternal(adjective, persistent, constant, continuous)
1
everlasting(adjective, persistent, constant, continuous)
1
habitual(adjective, persistent, constant, continuous)
1
neverending(adjective, persistent, continuous, unyielding)
1
persisting(adjective, persistent, constant, continuous)
1
relentless(adjective, persistent, continuous, unyielding)
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APASmart Define. (2015). sustained thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sustained/thesaurus/synonyms
ChicagoSmart Define. 2015. "sustained thesaurus" https://smartdefine.org/sustained/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, sustained thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sustained/thesaurus/synonyms>.
MLASmart Define. "sustained thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/sustained/thesaurus/synonyms>