80 entries under persistent topic. ×

1
equable(adjective, calm, strong, secure, firm)
1
ever-present(fixed, remaining, chronic)
1
incurable(fixed, remaining, chronic)
1
ingrained(adjective, fixed, remaining, chronic)
1
neverending(adjective, resolute, constant, living)
1
together(adjective, calm, strong, secure, firm)
0
inborn(fixed, remaining, chronic)
0
inbred(fixed, remaining, chronic)
0
like the Rock of Gibralter(expression, adjective, idiom, continuous)
0
monochrome(adjective, continuous, endless, relentless)
0
monophonic(adjective, continuous, endless, relentless)
0
of a piece(expression, adjective, idiom, continuous)
0
recurring(continuous, everlasting, uninterrupted, remaining)
0
regularized(adjective, continuous, endless, relentless)
0
routine
0
solid as rock(expression, adjective, idiom, calm, substantial)
0
standardized(adjective, continuous, endless, relentless)
0
unflappable(adjective, continuous, endless, relentless)
0
unmitigated
0
usual
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APASmart Define. (2016). lasting thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/lasting/thesaurus/synonyms
ChicagoSmart Define. 2016. "lasting thesaurus" https://smartdefine.org/lasting/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, lasting thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/lasting/thesaurus/synonyms>.
MLASmart Define. "lasting thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/lasting/thesaurus/synonyms>