- Definitions|2
- Thesaurus|614
- Abbreviations|0
| time(noun, course, life, stretch, period) | |
| life(noun, time, present, turn, point) | |
| age(noun, time, period, age) | |
| day(noun, time, period, live) | |
| generation(noun, present, turn, point, course) | |
| period(noun, present, turn, point, course) | |
| existence(noun, time, period, live, span) | |
| duration(noun, time, present, turn, point) | |
| lifelong(adjective, lasting, durable) | |
| lifespan | |
| longevity(noun, course, age, duration) | |
| decade(noun, period) | |
| epoch(noun, present, turn, point, course) | |
| era(noun, present, turn, point, course) | |
| hour(noun, period) | |
| life span(noun, expression, idiom, present, turn) | |
| career(noun, time, course, life, span) | |
| endurance(noun, span) | |
| livelong(adjective, durable) | |
| living |
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| APA | Smart Define. (2015). lifetime thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/lifetime/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lifetime thesaurus" https://smartdefine.org/lifetime/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, lifetime thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/lifetime/thesaurus/synonyms>. |
| MLA | Smart Define. "lifetime thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/lifetime/thesaurus/synonyms> |