Noun

• S: (n) breach (a failure to perform some promised act or obligation)
• S: (n) breach (an opening (especially a gap in a dike or fortification))
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• S: (n) rupture, breach, break, severance, rift, falling out (a personal or social separation (as between opposing factions)) "they hoped to avoid a break in relations"
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• S: (n) separation, breakup, detachment (coming apart)
• S: (n) rupture, breach, break, severance, rift, falling out (a personal or social separation (as between opposing factions)) "they hoped to avoid a break in relations"
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• S: (n) break (the occurrence of breaking) "the break in the dam threatened the valley"
• derivationally related form
• W: (v) break [Related to: break] (discontinue an association or relation; go different ways) "The business partners broke over a tax question"; "The couple separated after 25 years of marriage"; "My friend and I split up"
• W: (v) sever [Related to: severance] (set or keep apart) "sever a relationship"

Verb

• S: (v) 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"
• S: (v) gap, breach (make an opening or gap in)