Castle in the air
/ˈkɑːs(ə)l ɪn ðiː ˈɛə/ noun
noun ·Rare ·Advanced level
Definitions
Noun
- 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. idiomatic
"Many times ſuch men when they come to themſelves, tell ſtrange things of Heauen and Hell, what viſions they haue ſeene; […] The like effects almost are to bee ſeene in ſuch as are awake: How many Chimæras, Anticks, golden mountaines, and Caſtles in the Aire doe they build vnto themſelves?"
- 2 absentminded dreaming while awake wordnet
Example
More examples"Many times ſuch men when they come to themſelves, tell ſtrange things of Heauen and Hell, what viſions they haue ſeene; […] The like effects almost are to bee ſeene in ſuch as are awake: How many Chimæras, Anticks, golden mountaines, and Caſtles in the Aire doe they build vnto themſelves?"