[ ded-lok ]
/ ˈdɛdˌlɒk /


a state in which progress is impossible, as in a dispute, produced by the counteraction of opposing forces; standstill; stalemate: The union and management reached a deadlock over fringe benefits.
a maximum-security cell for the solitary confinement of a prisoner.

verb (used with or without object)

to bring or come to a deadlock.

Origin of deadlock

First recorded in 1770–80; dead + lock1

Related forms

un·dead·locked, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deadlock

British Dictionary definitions for deadlock


/ (ˈdɛdˌlɒk) /


a state of affairs in which further action between two opposing forces is impossible; stalemate
a tie between opposite sides in a contest
a lock having a bolt that can be opened only with a key


to bring or come to a deadlock
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012