- Definitions|2
- Thesaurus|618
- Abbreviations|0
19 entries under stability topic. ×
| imperishable(adjective, perpetuity) | |
| indestructible(adjective, unable, lasting) | |
| indelible(adjective, permanent, long-term, lifelong) | |
| indissoluble(adjective, permanent, everlasting, eternal) | |
| incorruptible | |
| inextinguishable | |
| indeciduous | |
| indefeasible | |
| insusceptible | |
| irreducible | |
| irresoluble | |
| irretrievable | |
| irreversible | |
| irrevocable | |
| incommutable | |
| indissolvable | |
| insusceptible of change(expression, idiom) | |
| intransmutable | |
| reverseless |
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| APA | Smart Define. (2016). undying thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/undying/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "undying thesaurus" https://smartdefine.org/undying/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, undying thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/undying/thesaurus/synonyms>. |
| MLA | Smart Define. "undying thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/undying/thesaurus/synonyms> |