flight of fancy

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flight of fancy (plural flights of fancy)

1. (idiomatic) An idea, narrative, suggestion, etc., which is extremely imaginative and which appears to be entirely unrealistic, untrue, or impractical; thinking which is very speculative.

   Synonyms: daydream, reverie

   • 1704, , “Section VIII”, in A Tale of a Tub.  To which is Added, An Account of a Battel between the Antient and Modern Books in St. James’s Library.">…], London: John Nutt, , →OCLC, page 154:

     And, whereas the mind of Man, when he gives the Spur and Bridle to his Thoughts, doth never ſtop, but naturally ſallies out into both extreams of High and Low, of Good and Evil, his first Flight of Fancy commonly tranſports Him to Idea's of what is moſt Perfect, finiſhed, and exalted;

   • 1848, Charles Dickens, chapter 1, in The Haunted Man and the Ghost's Bargain:

     Who might not, by a very easy flight of fancy, have believed that everything about him took this haunted tone, and that he lived on haunted ground?

   • 1939 November 20, “Canadian Secrecy”, in Time:

     No German troops were mobilized along Canada's border last week, no Canadian cities had been bombed, and only by the remotest flight of fancy could alarmists see the Dominion as a battleground.

   • 2016, Paul Gooding, Historic Newspapers in the Digital Age, Taylor & Francis, →ISBN, page 183:

     Aguilar-Millan et al. published an ambitious flight of fancy which explored the “post-scarcity world” of 2050 in light of technical advancements which they argue will decrease costs to providers until almost everything becomes free to the end user.

• chase rainbows
• pie in the sky
• pipe dream

• “flight of fancy”, in OneLook Dictionary Search.