Advanced as in phantasma A fanciful or unrealistic idea or plan, existing only in one's imagination or daydreams. Clear All
4 Example Sentences Showcasing the Meaning of 'Castle In The Air'
The scientist's groundbreaking theory started as a mere castle in the air before extensive research validated its legitimacy.
Despite the challenges, the team embarked on the project, turning their castle in the air into a successful reality.
The entrepreneur's ambitious plan to revolutionize the industry was considered a castle in the air by skeptics.
The explorer's dream of discovering a hidden civilization in the jungle was initially dismissed as a castle in the air.
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