- Definitions|1
- Thesaurus|337
- Abbreviations|0
91 entries under adjective topic. ×
| unceasing(continuous, permanent, everlasting, uninterrupted) | |
| unchangeable | |
| confirmed(hardened, chronic) | |
| continuous(everlasting, uninterrupted) | |
| deep-seated(hardened, confirmed, chronic) | |
| ever-present | |
| fast | |
| habitual(hardened, confirmed, chronic) | |
| hard | |
| immortal | |
| inborn | |
| inbred(hardened, confirmed, chronic) | |
| incurable(hardened, confirmed, chronic) | |
| inextirpable | |
| ingrained(hardened, confirmed, chronic) | |
| non-breakable | |
| non-perishable | |
| obstinate(hardened, confirmed, chronic) | |
| prolonged(long, drawn-out) | |
| protracted(long, drawn-out) |
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| APA | Smart Define. (2015). long-lasting thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/long-lasting/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "long-lasting thesaurus" https://smartdefine.org/long-lasting/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, long-lasting thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/long-lasting/thesaurus/synonyms>. |
| MLA | Smart Define. "long-lasting thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/long-lasting/thesaurus/synonyms> |