14 Example Sentences Showcasing the Meaning of 'Castle In The Air'
Despite his ambitious plans, building a space station in his backyard was just a castle in the air.
Little Timmy's dream of befriending a talking unicorn remained a castle in the air.
The notion of a perpetual motion machine turned out to be nothing more than a castle in the air.
Launching a startup without any capital proved to be a castle in the air for the aspiring entrepreneur.
John's plan to learn ten languages in a month was merely a castle in the air.
The dream of achieving world peace overnight remains a castle in the air for many nations.
Winning the lottery and retiring early turned out to be just a castle in the air for Jane.
Tom's idea of a self-cleaning house sounded more like a castle in the air than a practical innovation.
Establishing a colony on Mars is currently considered a castle in the air by most scientists.
The architect's ambitious castle in the air for the futuristic cityscape impressed both investors and dreamers alike.
After hours of brainstorming, the team realized their initial business plan was more of a castle in the air than a viable strategy.
Emily, a renowned scientist, admitted to occasionally entertaining a castle in the air about discovering a groundbreaking cure.
In the competitive world of fashion, designers often start with a castle in the air before refining their ideas into wearable art.
Despite the practical challenges, the environmentalist held onto the castle in the air of a world with zero carbon emissions.