| 1. | a road, alley, etc., that is open at only one end. |
| 2. | a position or situation offering no hope of progress or improvement: That line of reasoning will only lead you up another blind alley. |
| blind alley n.
|
blind alley
A dead end; a position without hope of progress or success. For example, That line of questioning led the attorney up yet another blind alley. This term alludes to a street or alley that has no outlet at one end. [Mid-1800s]