#transiency__transience__transitoriness  an impermanence that suggests the inevitability of ending or dying
  supertype:  impermanence__impermanency  the property of not existing for indefinitely long durations
  subtype:  fugaciousness__fugaciousnes  the lack of enduring qualities (used chiefly of plant parts)
  subtype:  ephemerality__ephemeralness__ephemeralnes__fleetingnes  the property of lasting for a very short time

No statement uses or specializes transiency; click here to add one.