Dictionary definition · crash
noun
- a loud resonant repeating noise"he could hear the clang of distant bells"
- a serious accident (usually involving one or more vehicles)"they are still investigating the crash of the TWA plane"
- a sudden large decline of business or the prices of stocks (especially one that causes additional failures)
- the act of colliding with something"his crash through the window"
- (computer science) an event that causes a computer system to become inoperative"the crash occurred during a thunderstorm and the system has been down ever since"
verb
- fall or come down violently"The branch crashed down on my car"
- move with, or as if with, a crashing noise"The car crashed through the glass door"
- undergo damage or destruction on impact"the plane crashed into the ocean"
- move violently as through a barrier"The terrorists crashed the gate"
- break violently or noisily; smash
- occupy, usually uninvited"My son's friends crashed our house last weekend"
- make a sudden loud sound"the waves crashed on the shore and kept us awake all night"
Source: Open English WordNet (CC BY 4.0).