unreality

plural unrealities

1. countableuncountableLack of reality or real existence.
2. uncountableThe state of being unreal.

   Thus it was that I beheld, as never before, the awful unreality called evil. The equipollence of God brought to light another glorious proposition, — man’s perfectibility and the establishment of the kingdom of heaven on earth.

   1906, Mary Baker Eddy, “Chapter VI — Science, Theology, Medicine”, in Science and Health with Key to the Scriptures^(https://en.wikisource.org/wiki/Page:Science_and_Health_with_Key_to_the_Scriptures_(1906).djvu/126), Harper and Row, page 110

   1 more example

   Then, the Lord, for the sake of those involved in the Universal Vehicle, turned a second wheel of Dharma, even more wondrous and amazing, by proclaiming emptiness, starting from the fact of the unreality, productionlessness, ceaselessness, primordial peace, and natural liberation of all things.

   2014, Robert A.F. Thurman, Tsong Khapa's Speech of Gold in the Essence of True Eloquence

3. countableThat which has no reality or real existence; something unreal or imaginary
4. countableuncountableUnpractical character; visionariness.