16 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 child's wish for a pet dragon was just a castle in the air.
Sarah's plan to finish her novel in a day was a castle in the air.
The politician's promise of free ice cream for everyone was dismissed as a castle in the air.
Building a house of candy proved to be a castle in the air for the baking competition.
The plan to create a utopian society without any conflicts was just a castle in the air.
Their hopes for a painless workout regimen turned out to be a castle in the air.
The promise of everlasting happiness through a single purchase was nothing but a castle in the air.