n a serious accident (usually involving one or more vehicles)
they are still investigating the crash of the TWA plane
n a sudden large decline of business or the prices of stocks (especially one that causes additional failures)
n the act of colliding with something
his crash through the window
n (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
v fall or come down violently
The branch crashed down on my car The plane crashed in the sea
v move with, or as if with, a crashing noise
The car crashed through the glass door
v undergo damage or destruction on impact
the plane crashed into the ocean The car crashed into the lamp post
v move violently as through a barrier
The terrorists crashed the gate
v break violently or noisily; smash;
v occupy, usually uninvited
My son's friends crashed our house last weekend
v make a sudden loud sound
the waves crashed on the shore and kept us awake all night
v enter uninvited; informal
let's crash the party!
v cause to crash
The terrorists crashed the plane into the palace Mother crashed the motorbike into the lamppost
v hurl or thrust violently
v undergo a sudden and severe downturn
the economy crashed will the stock market crash again?
v stop operating
My computer crashed last night
v sleep in a convenient place
You can crash here, though it's not very comfortable
n a strong protective barrier that is erected around a racetrack or in the middle of a dual-lane highway in order to reduce the likelihood of severe accidents