25 entries under unable topic. ×

30
unbreakable(adjective, strong, tough, firm, rigid)
22
permanent(adjective, strong, tough, sturdy, constant)
16
everlasting(adjective, strong, stable, constant)
15
durable(adjective, strong, tough, stable, sturdy)
14
imperishable(adjective, moral, constant, stability)
14
enduring(adjective, tough, stable, sturdy, constant)
11
perpetual(adjective, stable, moral, constant)
10
immortal(adjective, lasting, imperishable)
10
abiding(adjective, tough, stable, sturdy, constant)
10
immutable(adjective, stable, constant, enduring)
10
undying(adjective, stability, lasting)
9
undestroyable(adjective, moral, lasting, principled)
8
indelible(adjective, stability, lasting)
8
inextinguishable(adjective, moral, stability, lasting)
7
incorruptible(adjective, strong, honest, moral, honorable)
5
deathless(adjective, lasting)
5
unchangeable(adjective, lasting, very durable)
4
indissoluble(adjective, strong, stability, lasting)
4
inextirpable(adjective, lasting)
4
unalterable(adjective, lasting)
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APASmart Define. (2015). indestructible thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/indestructible/thesaurus/synonyms
ChicagoSmart Define. 2015. "indestructible thesaurus" https://smartdefine.org/indestructible/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, indestructible thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/indestructible/thesaurus/synonyms>.
MLASmart Define. "indestructible thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/indestructible/thesaurus/synonyms>