| breadth(noun, time, area, part, fix) | |
| chronology | |
| continuing(noun, adjective, increase, strength, line) | |
| cycle(noun, time, course, track, period) | |
| distance(noun, time, area, part, fix) | |
| durability(noun, strength, resolution, fortitude, stamina) | |
| eternity | |
| generation(noun, time, present, turn, moment) | |
| hour(noun, time, present, turn, moment) | |
| immutability(noun, strength, resolution, fortitude, stamina) | |
| lapse | |
| limit(noun, time, position, measure, piece) | |
| long standing | |
| magnitude(noun, time, part, fix, hit) | |
| maintenance(extension, persistence, continuance, protraction) | |
| past | |
| permanency | |
| perpetuation(noun, event, run, period, extension) | |
| perpetuity(endurance, stability, steadiness) | |
| present |
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| APA | Smart Define. (2015). duration thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/duration/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "duration thesaurus" https://smartdefine.org/duration/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, duration thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/duration/thesaurus/synonyms>. |
| MLA | Smart Define. "duration thesaurus" 15 July 2015. Web. 20 September 2026. <https://smartdefine.org/duration/thesaurus/synonyms> |