Used other than figuratively or idiomatically: see blind, alley. A street or passageway that leads nowhere.
A course of inquiry that leads nowhere.
A clumsy or embarrassing mistake.
A very bad move, usually caused by some tactical oversight.
To make a clumsy or stupid mistake.
To do or treat in a blundering manner; to confuse.
To move blindly or clumsily.
To cause to make a mistake.