Pipe dream

//ˈpaɪp driːm//

"Pipe dream" in a Sentence (2 examples)

I think that his plan to become a professional athlete is a pipe dream and that he should stay in school.

Only a year ago it would have needed a "super-Micawber" to be optimistic that the railways would once again pay their way. But it was no longer a pipe dream that B.R. could make a profit, the way to do it was now clear.

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Unscramble this word: pipedream