pie-in-the-sky

Definition

Lacking reality and serviceability.

Etymology

From the noun pie in the sky.

Example Sentences

• "a pie-in-the-sky patent"
• "“Halving poverty in 15 years seems like the most pie-in-the-sky goal imaginable,” said Mark Malloch Brown, head of the U.N. Development Program. “But it’s really quite doable. And the people who can do it are right here."
• "There are also several augmented reality tools, meant for advertising and teaching, and some futuristic surreal experiences that remind me of scenes from Star Trek’s holodeck. Some of the virtual reality demos are very pie-in-the-sky and probably won’t see the real world for some years to come; others are just a few years away."