15 entries under duration topic. ×
| age(noun, time, set, round, stage) | |
| period(noun, time, set, group, round) | |
| time | |
| cycle(noun, set, age, stage, series) | |
| era(noun, time, set, round, period) | |
| date | |
| duration | |
| epoch | |
| measure | |
| span | |
| course(noun, set, round, age, stage) | |
| interval | |
| season | |
| spell | |
| interim |
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| APA | Smart Define. (2015). aeon thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/aeon/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "aeon thesaurus" https://smartdefine.org/aeon/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, aeon thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/aeon/thesaurus/synonyms>. |
| MLA | Smart Define. "aeon thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/aeon/thesaurus/synonyms> |