Meaning of “dead end” - Learner’s Dictionary

dead end

noun [ C ] us uk
ROAD

a road that is closed at one end

SITUATION

a situation in which it is impossible to make progress:

The peace talks have reached a dead end.
dead-end adjective us uk /ˌdedˈend/

a dead-end job/relationship
a dead-end street

(Definition of “dead end” from the Cambridge Learner’s Dictionary © Cambridge University Press)