breach Definition in Cambridge British English Dictionary
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Definition of "breach" - British English Dictionary

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breachnoun [C]

uk   us   /briːtʃ/

breach noun [C] (BROKEN PROMISE/RULE)

an act of breaking a law, promise, agreement, or relationship: They felt that our discussions with other companies constituted a breach of/in our agreement. He was sued for breach of contract. There have been serious security breaches (= breaks in our security system).(a) breach of the peace specialized (an example of) illegal noisy or violent behaviour in a public placebe in breach of sth formal to be breaking a particular law or rule: The theatre was in breach of the safety laws for having no fire doors.

breach noun [C] (OPENING)

formal a hole that is made in a wall or in another structure being used for protection during an attack: A cannon ball had made a breach in their castle walls.

breachverb [T]

uk   us   /briːtʃ/ formal

breach verb [T] (BREAK PROMISE/RULE)

to break a law, promise, agreement, or relationship: They breached the agreement they had made with their employer.

breach verb [T] (MAKE OPENING)

to make an opening in a wall or fence, especially in order to attack someone or something behind it: Their defences were easily breached.
(Definition of breach from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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