(figurative) a course of action that is unproductive and offers no hope of improvement; "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"
a thoroughfare (usually including sidewalks) that is lined with buildings; "they walked the streets of the small town"; "he lives on Nassau Street"
the part of a thoroughfare between the sidewalks; the part of the thoroughfare on which vehicles travel; "be careful crossing the street"
people living or working on the same street; "the whole street protested the absence of street lights"
a situation offering opportunities; "he worked both sides of the street"; "cooperation is a two-way street"
the streets of a city viewed as a depressed environment in which there is poverty and crime and prostitution and dereliction; "she tried to keep her children off the street"