Deadlock

What is Deadlock ?

Deadlock is (noun) a point at which two sides in a dispute cannot agree The negotiations have reached a deadlock. Synonym impasse to break a deadlock to find a way to start discussions again after being at a point at which no agreement was possible (verb) to be unable to agree to continue negotiations Talks have been deadlocked for ten days.

 

source: Easier English, Student Dictionary Upper Intermediate Level