Definition of collapse noun from the Oxford Advanced Learner's Dictionary

        

    collapse

     noun
    noun
    BrE BrE//kəˈlæps//
     
    ; NAmE NAmE//kəˈlæps//
     
    Economy
     
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    failure
  1. 1  [countable, usually singular, uncountable] a sudden failure of something, such as an institution, a business or a course of action the collapse of law and order in the area The peace talks were on the verge of collapse.
  2. of building
  3. 2  [uncountable] the action of a building suddenly falling The walls were strengthened to protect them from collapse.
  4. illness
  5. 3  [uncountable, countable, usually singular] a medical condition when a person suddenly becomes very ill/sick, or when somebody falls because they are ill/sick or weak a state of mental/nervous collapse She was taken to hospital after her collapse at work.
  6. of prices/currencies
  7. 4  [countable, usually singular] a sudden fall in value the collapse of share prices/the dollar/the market See related entries: Economy
  8. Word Origin early 17th cent. (as collapsed): from medical Latin collapsus, past participle of collabi, from col- ‘together’ + labi ‘to slip’.Extra examples He was in a state of mental and physical collapse. She was on the verge of nervous collapse. The war has led to the collapse of agriculture in the area. a collapse into anarchy his collapse from exhaustion the sudden collapse of the bridge the sudden economic collapse of 2001 He charted the villagers’ collapse into poverty. The administration moved to prevent the collapse of the privatized national airline. The peace talks were on the verge of collapse. Their downfall came with the financial collapse of the Canary Wharf project. They were successful in bringing about the collapse of the Communist regime. a state of mental/​nervous collapse the collapse of share prices/​the dollar/​the market
See the Oxford Advanced American Dictionary entry: collapse