Lack of inherent existence, the ultimate nature of all phenomena See Heart of Wisdom and Ocean of Nectar
A feeling of emptiness is an unhappy or frightening feeling that nothing is worthwhile, especially when you are very tired or have just experienced something upsetting. The result later in life may be feelings of emptiness and depression
The Sanskrit word is Sunya One of the key concepts in Buddhism Emptiness is an abstract idea representing impermanence, unreality, instability, transience and relativity in the nature of all existence The doctrine states that all phenomena and the ego have no reality, but are composed of a certain number of Skandhas or elements, which disintegrate The doctrine also states that everything is unstable, possessing no self-essence or self-nature, i e , its own existence dependent or caused by the conditions of others' existence Emptiness is not nothing, but it is the condition of existence of everything It permeates all phenomena making possible their evolution