noun
Meaning 1
A desire, idea, or plan that is unlikely to ever be realized; a visionary project or scheme; a daydream, an idle fancy, a near impossibility.
Definition source: English Wiktionary via Wiktextract
Usage: idiomatic
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: air castle, castles in Spain, castle in the skies, eggs in moonshine, jam tomorrow, pie in the sky, pipe dream
Antonyms: terra firma, on solid ground