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English definition of “crash”

crash

verb uk   /kræʃ/ us  

crash verb (HAVE AN ACCIDENT)

B1 [I or T] to have an accident, especially one that damages a vehicle: We skidded on the ice and crashed. The plane crashed into a mountainside. Her brother borrowed her motorbike and crashed it.

crash verb (MAKE A NOISE)

[I or T, usually + adv/prep] to hit something, often making a loud noise or causing damage: We could hear waves crashing on/against the shore. Suddenly, cymbals crashed and the orchestra began playing. A dog came crashing through the bushes. Without warning, the tree crashed through the roof.

crash verb (FAIL)

C1 [I] If something such as a business crashes, it suddenly fails or becomes unsuccessful: Investors were seriously worried when the stock market began to crash. B2 [I] If a computer or system crashes, it suddenly stops operating: My laptop's crashed again.

crash verb (SLEEP)

[I] informal to sleep at someone else's house for the night, especially when you have not planned it: They crashed on my floor after the party.

crash verb (ENTER WITHOUT PERMISSION)

[T] informal to go to a party or other event without an invitation: We tried to crash the party, but the bouncers wouldn't let us in.
See also
Phrasal verbs

crash

noun [C] uk   /kræʃ/ us  

crash noun [C] (ACCIDENT)

B1 an accident, especially one that damages a vehicle: a car crash She had a crash on the way to work. They were only slightly injured in the crash.

crash noun [C] (NOISE)

B2 a sudden loud noise made when something breaks or falls: I heard a loud crash in the kitchen. The vase landed on the floor with a crash.

crash noun [C] (FAILURE)

C1 a sudden large fall in the value of a country's businesses: They lost a lot of money in the Stock Market crash. a situation when a computer or system suddenly stops operating: a computer crash

crash

adjective [before noun] uk   /kræʃ/ informal us  
quick and involving a lot of effort: The company undertook a crash programme of machine replacement.
(Definition of crash from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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