Wiktionary
unrealness
n. The state or quality of being unreal.
Usage examples of "unrealness".
The unrealness of this scene set in the heart of a dense, primitive jungle fastness overwhelmed and confused her, and she gave small attention to the meaning of this ceremonial.
They're constantly on the alert in the realness which might as well be real as unreal, what difference does it make, Diamond Sutra says 'Make no formed conceptions about the realness of existence nor about the unrealness of existence," or words like that.