58 entries under fixed topic. ×

64
enduring(verb, adjective, calm, strong, great)
53
stable(adjective, strong, tough, strain, firm)
52
permanent(adjective, calm, strong, secure, tough)
40
consistent(adjective, strain, certain, firmness)
37
constant(adjective, calm, strong, secure, tough)
37
unfluctuating(adjective, calm, strong, secure, strain)
33
perpetual(adjective, strain, stable, firmness)
26
invariable(adjective, calm, strong, secure, strain)
24
eternal(adjective, certain, pause, persistent)
20
abiding(verb, adjective, calm, strong, secure)
19
continuing(verb, adjective, continue, certain)
19
stabile(adjective, calm, strong, secure, strain)
12
immutable(adjective, calm, strong, secure, firm)
12
unchanging(adjective, firm, certain, steady, stable)
11
chronic(adjective, persistent, constant, current)
8
continuous(adjective, certain, persistent, constant)
7
changeless(adjective, stable, constant, enduring)
7
loyal(firm, certain, true, constant)
7
unvarying(adjective, calm, strong, secure, firm)
6
faithful(firm, certain, true, constant)
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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>