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English definition of “breach”

breach

noun [C] (BROKEN PROMISE/RULE)    /briːtʃ/
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 ).Obeying and breaking the lawObedient and compliantDisobedientBad and wrong behaviourMaking and breaking promises and commitments (a) breach of the peace specialized (an example of) illegal noisy or violent behaviour in a public place Social order and disorder be in breach of sth formal to be breaking a particular law or rule : The theatre was in breach of the Health and Safety Act for having no fire doors .Obeying and breaking the lawObedient and compliantDisobedientBad and wrong behaviour
(Definition of breach noun (BROKEN PROMISE/RULE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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