1. A street with only one way in or out
   - cul de sac, dead-end street, impasse 
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"

Derived forms: blind alleys

Type of: course, course of action, thoroughfare

Encyclopedia: Blind alley

• electronic communication
• electronic computer
• electronic converter
• electronic counter-countermeasures
• electronic countermeasures
• electronic data processing
• electronic database
• electronic deception
• electronic device
• electronic dictionary
• electronic equipment
• electronic fetal monitor
• electronic foetal monitor
• electronic funds transfer
• electronic image
• electronic imitative deception
• electronic information service
• electronic instrument
• electronic jamming
• electronic mail
• electronic manipulative deception
• electronic messaging
• electronic money
• electronic musical instrument
• electronic network