blind alley, n.
(figurative) a course of action that is unproductive and offers no hope of improvement
<noun.act>
blind alley
sample sentences
"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"
semantic pointers
hypernym
domain of synset (usage)
a street with only one way in or out
<noun.artifact>
blind alley cul de sac dead-end street impasse
semantic pointers
hypernym