Meanings of unrealism in English

But his unrealism of last night put him into a very realistic mess that he couldn't dodge!

The hum of the moving-picture machine is the predominating note in "The Mysterious Rider," Zane Grey's latest contribution to the literature of unrealism.

The New Yorker, July 26, 1982 P. 25 During the Falklands crisis, Argentina seemed prone to unrealism and grandiosity in their conception of themselves.