- Definitions|2
- Thesaurus|240
- Abbreviations|0
| infinity(noun, age, future, infinity, perpetuity) | |
| eternity(noun, state, quality, continue, infinity) | |
| perpetuity(noun, state, quality, continue, age) | |
| everlastingness(noun, state, quality, continue, age) | |
| timelessness(noun, age, future, infinity, perpetuity) | |
| ceaselessness(noun, state, quality, continue, infinity) | |
| forever(noun, adverb, age, future, infinity) | |
| continuance | |
| continuousness(noun, perpetuity) | |
| immortality(noun, age, future, infinity, perpetuity) | |
| lastingness(noun, perpetuity, diuturnity) | |
| permanence(noun, perpetuity, diuturnity) | |
| boundlessness(noun, infinity, eternity, immensity) | |
| constancy(noun, perpetuity) | |
| durability | |
| infinitude(noun, age, future, infinity, perpetuity) | |
| length(noun, time, extent, distance) | |
| eternalness(noun, state, quality, continue) | |
| immeasurability(noun, infinity) | |
| immensity |
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| APA | Smart Define. (2015). endlessness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/endlessness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "endlessness thesaurus" https://smartdefine.org/endlessness/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, endlessness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/endlessness/thesaurus/synonyms>. |
| MLA | Smart Define. "endlessness thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/endlessness/thesaurus/synonyms> |