16 entries under tough topic. ×

15
durable(adjective, continue, stable, enduring)
10
permanent(adjective, continue, sturdy, constant)
8
enduring(adjective, continue, familiar, sturdy)
8
lasting(adjective, continue, sturdy, constant)
8
persistent(adjective, continue, sturdy, constant)
6
abiding(adjective, continue, sturdy, enduring)
5
constant(adjective, familiar, sturdy, enduring)
5
indestructible(adjective, stable, sturdy, constant)
5
stable(adjective, sturdy, constant, enduring)
4
perdurable(adjective, continue, sturdy, enduring)
4
sturdy(adjective, hard-wearing)
3
fixed(adjective, stable, sturdy, constant)
2
firm(adjective, familiar, sturdy, established)
2
perduring(stable, sturdy, constant, enduring)
1
dependable(adjective, sturdy, hard-wearing)
1
tenacious(adjective, sturdy, hard-wearing)
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APASmart Define. (2015). long-lasting thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/long-lasting/thesaurus/synonyms
ChicagoSmart Define. 2015. "long-lasting thesaurus" https://smartdefine.org/long-lasting/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, long-lasting thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/long-lasting/thesaurus/synonyms>.
MLASmart Define. "long-lasting thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/long-lasting/thesaurus/synonyms>