(transitive) to break, to snap, to shatter (i.e. to smash or rupture)
(transitive, figurative) to break (often in legal contexts)
(transitive) to bend, flex or twist
(intransitive) to fail; to go broke; to become bankrupt; to go out of business; to crash, to go bust, to go under (used in political, economic and business/financial/investment contexts)
(intransitive) to break up
(intransitive, slang, Mexico) to kill
(reflexive) to crack, to break, to shatter (putting the onus on the thing cracking itself, absolving any sentient subject of responsibility)
(reflexive, figurative) to crack, to break (e.g. crack under pressure, break after interrogation)