What is Anticipatory Breach?

Legal Definition
In contract law, anticipatory breach occurs when a party repudiates prior to the date that the performance is due. Anticipatory breach is an excuse for non-performance by the non-breaching party. A party can retract its anticipatory breach provided that the non-breaching party has not relied on it.
Legal Definition
Denying a contract before it can be fulfilled. The party can be sued for the breach. The two types are express and implied. Implied takes the contract duties and gives it to another party. Express is a direct refusal.