the act or a result of breaking; a break or rupture: Many districts were flooded by the river after a breach in an embankment upstream.
an infraction or violation, such as of a law, contract, trust, or promise: If there is a breach of the warranty, we are not liable for damage.
a gap made in a wall, fortification, line of soldiers, etc.; rift; fissure: A breach in the castle walls gave the enemy an entrance.
Digital Technology. the unauthorized acquisition, use, or disclosure of customers' or users' personal data: There's no indication of a data breach affecting credit card information.
a severance of friendly relations.
the leap of a whale above the surface of the water.
Archaic. the breaking of waves; the dashing of surf.
to make a rupture or opening in: We need new ways to recover salmon without breaching the dams.
to break or act contrary to (a law, promise, etc.): The plaintiff alleges that the defendant has breached the terms of their license.
(of a whale) to leap partly or completely out of the water, head first, and land on the back or belly with a resounding splash.
Idioms about breach
more honored in the breach (than the observance),
(of a rule, law, custom, etc.) frequently ignored or rarely carried out: Courtly love was just an ideal, more honored in the breach than the observance.Even the best advice may be more honored in the breach.
(of a rule, law, custom, etc.) unjust or ignoble to the point of being better to ignore: They agreed that the promises made to their unfit leader would be more honored in the breach than the observance.
- breach·er, noun
- non·breach, noun
- non·breach·ing, adjective
- un·breached, adjective
- breach , breech
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use breach in a sentence
We should eliminate this breach of privacy, as many other countries already have for obvious reasons.America’s backwards privacy laws leave women vulnerable | jakemeth | October 12, 2020 | Fortune
As foreigners pull back, he says, Americans will be forced to fill the breach by plowing trillions more of their savings into Treasuries.The biggest economic threat facing the next administration: A weak dollar | Shawn Tully | October 11, 2020 | Fortune
Charles Carmakal, chief technology officer of Mandiant, the data breach recovery unit at FireEye, a cybersecurity firm, said he knows of several companies that have paid extortion demands ranging from $10 million to $30 million.Ransomware victims find themselves between a rock and a hard place | rhhackettfortune | October 2, 2020 | Fortune
Most recently, a well-documented rise in data breaches, particularly during the pandemic, has underscored the need to deliver strong, embedded security with AIOps platforms.
Following a high-profile breach in July, Twitter has hired Rinki Sethi as its new chief information security officer.After breach, Twitter hires a new cybersecurity chief | Zack Whittaker | September 30, 2020 | TechCrunch
Lauren pleaded guilty to breaching the peace and being drunk on board a transatlantic Delta Air Lines flight.
I repeat: For more than half of self-identified Republicans, breaching the debt limit is no big deal.
Breaching the debt limit would trigger an economic shutdown of epic proportions.Everything You Need to Know About the Looming Government Shutdown | The Daily Beast | September 30, 2013 | THE DAILY BEAST
He was arrested on suspicion of breaching the peace and taken into police custody.
But it has condemned whoever is breaching the once-secret institution.Who’s Behind the Leaked Letters Roiling the Vatican? | Barbie Latza Nadeau | February 26, 2012 | THE DAILY BEAST
It was more than ever evident that a battalion of grenadiers and a couple of breaching pieces were what was needed.The Exploits Of Brigadier Gerard | Arthur Conan Doyle
I used to be much amused in looking at a twelve-gun breaching-battery of theirs.
The community of cattle would be quiet and contented except for one breaching individual.Revisiting the Earth | James Langdon Hill
A sea, breaching across from windward, settled the matter and sent them leaping over the rail in heaps.The Jacket (The Star-Rover) | Jack London
The triangular works between the bastilions are described as “ramparts,” intended to protect the curtains from breaching fire.
British Dictionary definitions for breach
a crack, break, or rupture
a breaking, infringement, or violation of a promise, obligation, etc
any severance or separation: there was a breach between the two factions of the party
a gap in an enemy's fortifications or line of defence created by bombardment or attack
the act of a whale in breaking clear of the water
the breaking of sea waves on a shore or rock
an obsolete word for wound 1
(tr) to break through or make an opening, hole, or incursion in
(tr) to break a promise, law, etc
(intr) (of a whale) to break clear of the water
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