Verbs

(v)break down, crushmake ineffective“Martin Luther King tried to break down racial discrimination”
(v)analyze, analyse, break down, dissect, take apartmake a mathematical, chemical, or grammatical analysis of; break down into components or essential features“analyze a specimen”, “analyze a sentence”, “analyze a chemical compound”
(v)break down, lose it, snaplose control of one's emotions“When she heard that she had not passed the exam, she lost it completely”, “When her baby died, she snapped”
(v)fail, go bad, give way, die, give out, conk out, go, break, break downstop operating or functioning“The engine finally went”, “The car died on the road”, “The bus we travelled in broke down on the way to town”, “The coffee maker broke”, “The engine failed on the way to town”, “her eyesight went after the accident”
(v)crumble, crumple, tumble, break down, collapsefall apart“the building crumbled after the explosion”, “Negotiations broke down”
(v)break downcause to fall or collapse
(v)decompose, break up, break downseparate (substances) into constituent elements or parts
(v)break down, collapsecollapse due to fatigue, an illness, or a sudden attack