anicca

This term is a technical loanword from Pali, used primarily within Buddhist philosophy and meditation practices. It describes a cosmic law rather than a personal feeling of sadness or loss, emphasizing the inherent instability of all compounded phenomena.

As a specialized philosophical concept, it is treated as an uncountable noun. It does not have a plural form because it refers to a singular, universal principle of existence rather than a countable object or event.