- Definitions|2
- Thesaurus|1.5k
- Abbreviations|0
| protracted(adjective, endless, infinite, boundless, incessant) | |
| sodding | |
| stark | |
| thoroughgoing | |
| unbounded(adjective, constant, absolute, abundant, unrestrained) | |
| arrant | |
| chronic(adjective, persistent, constant, continuous, endless) | |
| extended | |
| illimitable(adjective, constant, absolute, abundant, endless) | |
| immeasurable(adjective, absolute, abundant, endless, infinite) | |
| immemorial(adjective, infinite) | |
| indissoluble(adjective, strong, enduring, permanent, eternal) | |
| lengthy(adjective, durable) | |
| lifelong(adjective, permanent, durable, recurrent, perpetual) | |
| long-lived | |
| long-winded(adjective, endless, incessant, ceaseless) | |
| monotonous(adjective, persistent, constant, abundant, continuous) | |
| regular(adjective, steady, fixed, persistent, constant) | |
| relentless(adjective, continue, steady, persistent, constant) | |
| staring |
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| APA | Smart Define. (2016). everlasting thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/everlasting/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "everlasting thesaurus" https://smartdefine.org/everlasting/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, everlasting thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/everlasting/thesaurus/synonyms>. |
| MLA | Smart Define. "everlasting thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/everlasting/thesaurus/synonyms> |