- Definitions|0
- Thesaurus|48
- Abbreviations|7
| ages(noun, eternity, ages, periods) | |
| eras(noun, ages, periods) | |
| epochs(noun, ages, periods) | |
| countless ages | |
| vast ages | |
| periods(noun, ages) | |
| generations(noun, ages) | |
| historic periods | |
| ages and ages(expression, idiom) | |
| ages on end(expression, idiom) | |
| many millennia | |
| perpetuities | |
| stages of history(expression, idiom) | |
| lifetimes(noun, ages) | |
| long periods | |
| periods of time(expression, idiom) | |
| time immemorial | |
| yonks | |
| countless centuries | |
| dates(noun, periods) |
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| APA | Smart Define. (2015). eons thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/eons/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "eons thesaurus" https://smartdefine.org/eons/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, eons thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/eons/thesaurus/synonyms>. |
| MLA | Smart Define. "eons thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/eons/thesaurus/synonyms> |