A situation, typically in negotiations or discussions, where no progress can be made because the parties involved cannot agree. The talks between the two countries ended in a deadlock, with neither side willing to compromise.
A type of lock that is operated by a key or a thumb turn and is used to secure a door. He installed a deadlock on the front door to improve the security of his home.
(Computing) A condition in which two or more processes are unable to proceed because each is waiting for the other to release a resource. The operating system detected a deadlock between two threads accessing the same file.