- Definitions|0
- Thesaurus|219
- Abbreviations|0
| conventional | |
| customary | |
| deep-rooted(complete, true, steady, fixed, even) | |
| deep-seated(complete, true, fixed, persistent, hardened) | |
| diuturnal | |
| ever-present(persistent, continuous, lasting, continuing, remaining) | |
| evergreen | |
| folk | |
| habitual(persistent, customary, hardened, traditional, lasting) | |
| hallowed | |
| handed down | |
| hardy | |
| heroic | |
| hoary | |
| inbred(persistent, continuous, hardened, lasting, continuing) | |
| incurable(persistent, continuous, hardened, lasting, continuing) | |
| ineradicable(persistent, continuous, hardened, lasting, continuing) | |
| ingrained(complete, true, fixed, persistent, hardened) | |
| intransient | |
| legendary |
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| APA | Smart Define. (2015). long-standing thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/long-standing/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "long-standing thesaurus" https://smartdefine.org/long-standing/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, long-standing thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/long-standing/thesaurus/synonyms>. |
| MLA | Smart Define. "long-standing thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/long-standing/thesaurus/synonyms> |