Synonyms: blind alley
Definition: (figurative) a course of action that is unproductive and offers no hope of improvement
Usage: all the clues led the police into blind alleys; so far every road that we've been down has turned out to be a blind alley
Similar words: course, course of action
Definition: a mode of action
Usage: if you persist in that course you will surely fail; once a nation is embarked on a course of action it becomes extremely difficult for any retraction to take place
Synonyms: blind alley, cul de sac, dead-end street, impasse
Definition: a street with only one way in or out
Similar words: thoroughfare
Definition: a public road from one place to another