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

    vehicle accident
  1. 1  (North American English also wreck) an accident in which a vehicle hits something, for example another vehicle, usually causing damage and often injuring or killing the passengers A girl was killed yesterday in a crash involving a stolen car. a car/plane crash See related entries: Motoring problems and accidents
  2. loud noise
  3. 2  [usually singular] a sudden loud noise made, for example, by something falling or breaking She heard the crash of shattering glass as the vehicles collided. The tree fell with a great crash. The first distant crash of thunder shook the air.
  4. in finance/business
  5. 3  a sudden serious fall in the price or value of something; the occasion when a business, etc. fails synonym collapse the 1987 stock market crash See related entries: Economy
  6. computing
  7. 4  a sudden failure of a machine or system, especially of a computer or computer system A systems crash in the morning and a bomb scare in the afternoon provided enough excitement for one day. See related entries: Computer software, Computer problems, Using a computer, Computer programming
  8. Word Originlate Middle English: imitative, perhaps partly suggested by craze and dash. CollocationsDrivingHaving a car have/​own/(British English) run a car ride a motorcycle/​motorbike drive/​prefer/​use an automatic/​a manual/(North American English, informal) a stick shift have/​get your car serviced/​fixed/​repaired buy/​sell a used car/(especially British English) a second-hand car take/​pass/​fail a (British English) driving test/(both North American English) driver’s test/​road test get/​obtain/​have/​lose/​carry a/​your (British English) driving licence/(North American English) driver’s licenseDriving put on/​fasten/(North American English) buckle/​wear/​undo your seat belt/​safety belt put/​turn/​leave the key in the ignition start the car/​engine (British English) change/(North American English) shift/​put something into gear press/​put your foot on the brake pedal/​clutch/​accelerator release the clutch/(especially British English) the handbrake/(both North American English) the emergency brake/​the parking brake drive/​park/​reverse the car (British English) indicate left/​right (especially North American English) signal that you are turning left/​right take/​miss (British English) the turning/(especially North American English) the turn apply/​hit/​slam on the brake(s) beep/​honk/(especially British English) toot/(British English) sound your hornProblems and accidents a car skids/​crashes (into something)/collides (with something) swerve to avoid an oncoming car/​a pedestrian crash/​lose control of the car have/​be in/​be killed in/​survive a car crash/​a car accident/(North American English) a car wreck/​a hit-and-run be run over/​knocked down by a car/​bus/​truck dent/​hit (British English) the bonnet/(North American English) the hood break/​crack/​shatter (British English) the windscreen/(North American English) the windshield blow/(especially British English) burst/​puncture (British English) a tyre/(North American English) a tire get/​have (British English) a flat tyre/​a flat tire/​a puncture inflate/​change/​fit/​replace/​check a tyre/​tire Traffic and driving regulations be caught in/​get stuck in/​sit in a traffic jam cause congestion/​tailbacks/​traffic jams/​gridlock experience/​face lengthy delays beat/​avoid the traffic/​the rush hour break/​observe/(North American English) drive the speed limit be caught on (British English) a speed camera stop somebody for/​pull somebody over for/(British English, informal) be done for speeding (both informal) run/(British English) jump a red light/​the lights be arrested for/​charged with (British English) drink-driving/(both US English) driving under the influence (DUI)/driving while intoxicated (DWI) be banned/(British English) disqualified from drivingExtra examples He had survived a plane crash. He had survived a spectacular crash in a truck race. He was killed in a train crash. In thirty years of driving she had never had a crash. She swerved to avoid a crash. The bike hit the street and made a loud crash. The crash claimed three lives. The plates fell to the floor with an almighty crash. There was a sickening crash as her head hit the ground. a crash in share prices a crash involving two cars and a bus a distant crash of thunder a fiery crash which killed the pilot a major air crash the crash of the waves the stock market crash of 1987 A girl was killed in a crash involving a stolen car. A systems crash in the morning and a bomb scare in the afternoon provided enough excitement. She heard the crash of shattering glass as the vehicles collided.
See the Oxford Advanced American Dictionary entry: crash