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Building castles in the air

Idiom Architecture

Meaning

To have unrealistic or impractical plans or dreams.

Example Sentences

"She’s always building castles in the air, dreaming of a perfect world."

Related Expressions

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working in a laboratory environment on experiments or resear...

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to be in a difficult situation requiring careful balance

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to argue or fight with someone

helping hand

assistance or support

the writing on the wall

a sign that something bad will happen soon

lose sleep over something

to worry a lot about something