- Definitions|2
- Thesaurus|431
- Abbreviations|0
48 entries under adjective topic. ×
| perennial(familiar, established, hardened, enduring) | |
| continuing(familiar, fixed, persistent, lasting) | |
| eternal(permanent, durable, recurrent, perpetual) | |
| enduring(familiar, fixed, established, hardened) | |
| chronic(fixed, persistent, hardened, lasting) | |
| durable(permanent, durable, recurrent, perpetual) | |
| lasting(fixed, persistent, permanent, durable) | |
| lifetime(lasting, durable) | |
| old(familiar, established, hardened, traditional) | |
| permanent(hardened, lasting, confirmed, perpetual) | |
| perpetual(familiar, established, permanent, durable) | |
| inveterate(familiar, fixed, persistent, established) | |
| livelong(lasting, durable, diuturnity, longstanding) | |
| long-lived(familiar, persistent, established, hardened) | |
| persistent(continuous, hardened, lasting, continuing) | |
| womb-to-tomb | |
| constant(familiar, fixed, persistent, established) | |
| everlasting(permanent, durable, recurrent, perpetual) | |
| long-lasting(familiar, established, hardened, lasting) | |
| prolonged(persistent, lasting, durable, remaining) |
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| APA | Smart Define. (2015). lifelong thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lifelong/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lifelong thesaurus" https://smartdefine.org/lifelong/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, lifelong thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lifelong/thesaurus/synonyms>. |
| MLA | Smart Define. "lifelong thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/lifelong/thesaurus/synonyms> |