Blind Alley (Noun)
Meaning 1
A street with only one way in or out.
Classification
Nouns denoting man-made objects.
Synonyms
Meaning 2
(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".
Classification
Nouns denoting acts or actions.