noun a large building or group of buildings fortified against attack with thick walls, battlements, towers, and in many cases a moat
preposition a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause
In philosophy, 'castle in the air' could be used to discuss the nature of reality and perception.
The phrase 'castle in the air' is often used in literature to describe unrealistic or impractical dreams or fantasies.
In psychology, 'castle in the air' may be used to discuss the concept of daydreaming or escapism.
In business, 'castle in the air' may refer to unrealistic goals or plans that are not feasible.
In architecture, 'castle in the air' could be used metaphorically to describe a design or concept that is not grounded in reality.
In the writing world, 'castle in the air' is often used metaphorically to describe a story or idea that is unrealistic or unlikely to happen.
Psychologists may use the term 'castle in the air' when discussing unrealistic or fantastical thoughts or beliefs that a client may have.
Architects may use the term 'castle in the air' to describe a design or concept that is not feasible or practical to build in reality.
Financial analysts may use 'castle in the air' to refer to investments or financial strategies that are based on unrealistic expectations or assumptions.