Pipe dream
WordNet

noun


(1)   A fantastic but vain hope (from fantasies induced by the opium pipe)
"I have this pipe dream about being emperor of the universe"
WiktionaryText

Noun



  1. A plan, desire, or idea that will not likely work; a near impossibility.
    I think his plan to become a professional athlete is a pipe dream and he should stay in school.
 
x
OK