definition of
breach

[1] #1 breach n. a failure to perform some promised act or obligation. wn

[2] #2 breach v. [transgress, offend, infract, violate, go against, 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". wn

[3] #3 breach v. [gap] make an opening or gap in. wn

[4] #4 breach n. an opening (especially a gap in a dike or fortification). wn

[5] #5 breach n. [rupture, break, severance, rift, falling out] a personal or social separation (as between opposing factions); "they hoped to avoid a break in relations". wn