stop operating or functioning; "The engine finally went"; "The car died on the road"; "The bus we travelled in broke down on the way to town"; "The coffee maker broke"; "The engine failed on the way to town"; "her eyesight went after the accident"
prove insufficient; "The water supply for the town failed after a long drought"
disappoint, prove undependable to; abandon, forsake; "His sense of smell failed him this time"; "His strength finally failed him"; "His children failed him in the crisis"
become bankrupt or insolvent; fail financially and close; "The toy company went bankrupt after the competition hired cheap Mexican labor"; "A number of banks failed that year"
fall short in what is expected; "She failed in her obligations as a good daughter-in-law"; "We must not fail his obligation to the victims of the Holocaust"
fail to get a passing grade; "She studied hard but failed nevertheless"; "Did I fail the test?"
judge unacceptable; "The teacher failed six students"
be unsuccessful; "Where do today's public schools fail?"; "The attempt to rescue the hostages failed miserably"
fail to do something; leave something undone; "She failed to notice that her child was no longer in his crib"; "The secretary failed to call the customer and the company lost the account"
a mishap caused by something suddenly falling down or caving in
an abrupt failure of function or health
lose significance, effectiveness, or value; "The school system is collapsing"; "The stock market collapsed"
break down, literally or metaphorically; "The wall collapsed"; "The business collapsed"; "The dam broke"; "The roof collapsed"; "The wall gave in"; "The roof finally gave under the weight of the ice"
cause to burst; "The ice broke the pipe"
fold or close up; "fold up your umbrella"; "collapse the music stand"
the sound of something crunching; "he heard the crunch of footsteps on the gravel path"
a critical situation that arises because of a shortage (as a shortage of time or money or resources); "an end-of-the year crunch"; "a financial crunch"
make crunching noises; "his shoes were crunching on the gravel"
chew noisily; "The children crunched the celery sticks"
the act of colliding with something; "his crash through the window"; "the fullback's smash into the defensive line"
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)
(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"
stop operating; "My computer crashed last night"; "The system goes down at least once a week"
undergo a sudden and severe downturn; "the economy crashed"; "will the stock market crash again?"
hurl or thrust violently; "He dashed the plate against the wall"; "Waves were dashing against the rock"
undergo damage or destruction on impact; "the plane crashed into the ocean"; "The car crashed into the lamp post"
break violently or noisily; smash;
cause to crash; "The terrorists crashed the car into the gate of the palace"
fall or come down violently; "The branch crashed down on my car"; "The plane crashed in the sea"
move violently as through a barrier; "The terrorists crashed the gate"
move with, or as if with, a crashing noise; "The car crashed through the glass door"
occupy, usually uninvited; "My son's friends crashed our house last weekend"