flight of fancy/imagination/fantasy

noun phrase

: an idea, story, etc., that shows great imagination but is very unlikely to be true or practical

The book is filled with flights of fancy about the future of the computer industry.

flights of imagination about becoming a superstar

Examples of flight of fancy/imagination/fantasy in a Sentence

Recent Examples on the Web

For Buffett, escapism was not merely something fun, some fiddling flight of fancy that can be taken up or discarded at will. —Drew M. Dalton, Fortune, 10 Sep. 2023

This flight of fantasy informed a hundred press reports on Friday. —Holman W. Jenkins, WSJ, 29 July 2022

Project Lyra is still a flight of fancy, without any funding or government agency to back it up. —Corey S. Powell, Discover Magazine, 30 June 2020

For me, even the highest flight of fancy has to make sense. —Alison S. Cohn, Harper's BAZAAR, 31 May 2023