WordNet: transience, transiency, transitoriness

an impermanence that suggests the inevitability of ending or dying

• hypernym impermanence, impermanency

• hyponym fugaciousness, fugacity

• hyponym ephemerality, ephemeralness, fleetingness

transience

• (suomi) kuolevaisuus (synonyymi)

transiency

• (englanti) transient (derivationally related)
• (suomi) kuolevaisuus (synonyymi)

transitoriness

• (englanti) transitory (derivationally related)
• (suomi) kuolevaisuus (synonyymi)