- Definitions|2
- Thesaurus|627
- Abbreviations|0
35 entries under permanent topic. ×
| endless(adjective, certain, stable, constant, reliable) | |
| perpetual(adjective, absolute, endless, immense, infinite) | |
| eternal(adjective, certain, absolute, reliable, endless) | |
| everlasting(adjective, absolute, endless, immense, infinite) | |
| continuing(adjective, strong, firm, certain, determined) | |
| enduring(adjective, certain, absolute, reliable, immense) | |
| unending(adjective, stable, endless, enduring, immense) | |
| unremitting(adjective, strong, firm, energetic, determined) | |
| abiding(certain, reliable, trustworthy, long-term) | |
| constant(adjective, strong, firm, certain, determined) | |
| continual(adjective, certain, reliable, trustworthy) | |
| deep-rooted(long-term, lifelong) | |
| durable(long-term, lifelong) | |
| forever(long-term, lifelong) | |
| in for the long haul(expression, idiom, long-term, lifelong) | |
| incessant(adjective, strong, firm, determined, steady) | |
| indelible(long-term, lifelong) | |
| indissoluble(long-term, lifelong) | |
| inexpungible(long-term, lifelong) | |
| lasting(adjective, certain, reliable, trustworthy) |
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| APA | Smart Define. (2015). inexhaustible thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/inexhaustible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "inexhaustible thesaurus" https://smartdefine.org/inexhaustible/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, inexhaustible thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/inexhaustible/thesaurus/synonyms>. |
| MLA | Smart Define. "inexhaustible thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/inexhaustible/thesaurus/synonyms> |