78 entries under course topic. ×

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flow(noun, track, route, endurance)
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flow of time(expression, idiom)
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flux of time(expression, idiom)
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history(noun, lifetime)
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lane(noun, track, route, path)
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lapse of time(expression, idiom)
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life expectancy(noun, expression, lifetime)
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line(noun, increase, track, extension)
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march of time(expression, idiom)
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motion(noun, track, route, path)
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movement(noun, track, route, path)
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natural life(noun, expression, lifetime)
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passage(noun, track, route, path)
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path(noun, track, route, lane)
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pilgrimage(noun, lifetime)
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process of time(expression, idiom)
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progress(noun, track, route, path)
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progress of time(expression, idiom)
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record(noun, lifetime)
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round(noun, track, route, path)
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APASmart Define. (2015). duration thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/duration/thesaurus/synonyms
ChicagoSmart Define. 2015. "duration thesaurus" https://smartdefine.org/duration/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, duration thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/duration/thesaurus/synonyms>.
MLASmart Define. "duration thesaurus" 15 July 2015. Web. 23 September 2026. <https://smartdefine.org/duration/thesaurus/synonyms>