castle in the air

castle in the air

or

castle in Spain

n

a hope or desire unlikely to be realized; daydream

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cas′tle in the air′

n.

a fanciful or impractical notion or hope; daydream. Also called cas′tle in Spain′.

[1570–80]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun

1.

castle in the air - absentminded dreaming while awake   air castle, castle in Spain, daydream, daydreaming, oneirism, reverie, revery dreaming, dream - imaginative thoughts indulged in while awake; "he lives in a dream that has nothing to do with reality"

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

castle in the air

noun

A fantastic, impracticable plan or desire:

bubble, chimera, dream, fantasy, illusion, pipe dream, rainbow.

The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.