impermanence

noun

1. (uncountable, usually)Lack of permanence or continued duration.
2. (uncountable, usually)The quality or state of being impermanent.

   “I watch the ripples change their size / But never leave the stream of warm impermanence and / So the days float through my eyes / But still the days seem the same”

3. (uncountable, usually)Anicca, the doctrine which asserts that all of conditioned existence is transient.