breach -- (a failure to perform some promised act or obligation)
breach -- (an opening (especially a gap in a dike or fortification))
rupture, breach, break, severance, rift, falling out -- (a personal or social separation (as between opposing factions); "they hoped to avoid a break in relations")
Overview of verb breach
The verb breach has 2 senses
transgress, offend, infract, violate, go against, breach, break -- (act in disregard of laws, rules, contracts, or promises; "offend all laws of humanity"; "violate the basic laws or human civilization"; "break a law"; "break a promise")