impermanent

This existence is impermanent; why spend it as a broken record?

Second, once achieved, manhood status is tenuous and impermanent; that is, it can be lost or taken away.

As a result, it allows us to view death as impermanent.

Without moral transformation, political changes to laws and leaders would be impermanent and vulnerable to backsliding.

Los Angeles, like its residents, is impermanent, always shape-shifting, always on the verge of becoming something else.