1dead·lock 
/ˈdɛdˌlɑ:k/ noun
plural dead·locks /ˈdɛdˌlɑ:k/ noun [count] 1 : a situation in which an agreement cannot be made : a situation in which ending a disagreement is impossible because neither side will give up something that it wants
▪ The jury was unable to break/end the deadlock. [=unable to agree on a verdict] ▪ City councilors reached a deadlock over the law. 2 US : a situation in which players, teams, etc., have the same score : tie
▪ His goal broke a 3–3 deadlock. 3 Brit : dead bolt
▪ The jury was unable to break/end the deadlock. [=unable to agree on a verdict] ▪ City councilors reached a deadlock over the law.
▪ His goal broke a 3–3 deadlock.
