DefineLaw

What is a breach of contract?

A breach of contract is a failure to perform a duty that the contract requires, and it gives the other party a right to a remedy.

A breach is a failure to perform a duty required by a contract.

Where the word "Breach Of Contract" comes from

The word breach comes from the Old French breche, meaning a break. In contract law it describes the breaking of a promised performance, an idea that has anchored the law of obligations since the earliest common-law actions for broken promises.

Why Breach Of Contract matters

A breach is what lets the injured party claim damages or other remedies. Without a recognized breach, a disappointed party has no cause of action, so proving the failure is the first step in any contract dispute.

Common confusion about Breach Of Contract

Not every minor slip is a material breach that ends the contract. Courts distinguish between a small failure, which supports a damages claim, and a major one, which excuses the other party from performing further, and the difference drives the whole remedy analysis.

A real-world example of Breach Of Contract

A contractor agrees to finish a kitchen by June 1 but abandons the job in May. That failure is a breach, and you may recover the cost of hiring someone else to complete the work, plus any delay damages the contract allows.

A worked example of Breach Of Contract

A caterer books a wedding for $6,000 but cancels two weeks before the event. The couple finds a replacement for $7,500. The caterer's cancellation is a breach, and the couple can claim the $1,500 difference as damages, because contract damages aim to put the injured party in the position they would have been in had the promise been kept. Courts call this the expectation measure, and it applies whether the breach is early, late, or complete.

How Breach Of Contract works in practice

If the other side fails to perform, document the failure in writing, mitigate your losses, and demand performance or damages before suing. Keep the contract, payment records, and any correspondence, because proving the exact terms and the exact failure decides the case. Before signing, also check the contract for limitation and notice clauses that shorten your window to complain.

DefineLaw editors — plain-English definitions for general reference; not a substitute for advice from a licensed attorney.

Questions about Breach Of Contract

What can I do if someone breaches?

Sue for damages, or in some cases ask the court to order performance.

Is a late payment a breach?

Often yes, though a trivial delay may not be material.

Does the contract have to be in writing?

Not always, but some types must be under the statute of frauds.

Related contract terms