56 entries under adjective topic. ×

1
long-lived
1
stable(constant, enduring, lasting, perpetual)
1
unchangeable(fixed, static)
0
boundless
0
continuous
0
death-defying(everlasting, eternal, undying)
0
grievous
0
inextirpable
0
irrepressible
0
non-breakable
0
non-perishable
0
phoenixlike(everlasting, eternal, undying)
0
shatter-proof
0
unalterable
0
unbreakable
0
unsuppressible
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APASmart Define. (2016). imperishable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/imperishable/thesaurus/synonyms
ChicagoSmart Define. 2016. "imperishable thesaurus" https://smartdefine.org/imperishable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, imperishable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/imperishable/thesaurus/synonyms>.
MLASmart Define. "imperishable thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/imperishable/thesaurus/synonyms>