- Definitions|2
- Thesaurus|431
- Abbreviations|0
25 entries under diuturnity topic. ×
| perennial(adjective, familiar, established, hardened, enduring) | |
| chronic(adjective, fixed, persistent, hardened, lasting) | |
| durable(adjective, permanent, durable, recurrent, perpetual) | |
| lasting(adjective, fixed, persistent, permanent, durable) | |
| permanent(adjective, hardened, lasting, confirmed, perpetual) | |
| perpetual(adjective, familiar, established, permanent, durable) | |
| livelong(adjective, lasting, durable, longstanding) | |
| long-lived(adjective, familiar, persistent, established, hardened) | |
| persistent(adjective, continuous, hardened, lasting, continuing) | |
| endless(permanent, long-term) | |
| evergreen | |
| long-standing(adjective, persistent, continuous, hardened, lasting) | |
| intransient | |
| intransitive | |
| unremitting(permanent, long-term) | |
| diuturnal | |
| intransmutable | |
| longeval | |
| macrobiotic | |
| of long-standing(expression, idiom) |
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| APA | Smart Define. (2015). lifelong thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/lifelong/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lifelong thesaurus" https://smartdefine.org/lifelong/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, lifelong thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/lifelong/thesaurus/synonyms>. |
| MLA | Smart Define. "lifelong thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/lifelong/thesaurus/synonyms> |