Pronunciation: /blaɪnd ˈæli/
noun a situation or course of action that leads to nothing
A1 I got lost in a blind alley while exploring the city.
A2 The detective followed the suspect into a blind alley.
B1 The project seemed promising at first, but it turned out to be a blind alley.
B2 After years of research, the scientist realized he had been pursuing a blind alley.
C1 The company's decision to invest in the new technology turned out to be a blind alley.
C2 The politician's attempt to pass the controversial bill led him into a blind alley of public backlash.
formal The investigation led them down a blind alley with no new leads.
informal We hit a blind alley when trying to find the shortcut to the party.
slang Don't waste your time going down that blind alley, there's nothing there.
figurative His stubbornness was like a blind alley, leading him nowhere in the argument.
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