- 1 [countable, uncountable] breach of something a failure to do something that must be done by law a breach of contract/copyright/warranty They are in breach ofArticle 119. Selling goods constituted a breach of regulation 10B.
- 2[countable, uncountable] breach of something an action that breaks an agreement to behave in a particular way a breach of confidence/trust a breach of security (= when something that is normally protected is no longer secure)
- 3[countable] a break in a relationship between people or countries a breach in Franco-German relations
- 4 [countable] an opening that is created during a military attack or by strong winds or seas They escaped through a breach in the wire fence. A breach in the mountain wall permits warm sea air to flow inland. Idioms
to do someone's job or work when they are suddenly or unexpectedly unable to do it
step into the breachjump to other results