5
fleetingness(noun, brevity, briefness)
4
impermanence(shortness, abruptness, brevity, briefness, transience)
3
ephemeralness
3
evanescence(noun, brevity, briefness, transience, transitoriness)
2
mortality(noun, humanness)
2
temporariness(noun, transience, transitoriness)
2
transience(noun, shortness, abruptness, brevity, briefness)
1
brevity(noun, shortness, briefness)
1
briefness(noun, shortness, abruptness, brevity, transience)
1
caducity
1
conciseness(noun, shortness, abruptness, brevity, briefness)
1
concision(noun, shortness, abruptness, brevity, briefness)
1
condensation(noun, shortness, abruptness, brevity, briefness)
1
crispness(noun, shortness, abruptness, brevity, briefness)
1
curtness(noun, shortness, abruptness, brevity, briefness)
1
death
1
economy(noun, shortness, abruptness, brevity, briefness)
1
finitude
1
fugacity
1
impermanency
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APASmart Define. (2015). ephemerality thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/ephemerality/thesaurus/synonyms
ChicagoSmart Define. 2015. "ephemerality thesaurus" https://smartdefine.org/ephemerality/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, ephemerality thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/ephemerality/thesaurus/synonyms>.
MLASmart Define. "ephemerality thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/ephemerality/thesaurus/synonyms>