crash n 1: a loud resonant repeating noise; "he could hear the clang of distant bells" [syn: {clang}, {clangor}, {clangour}, {clangoring}, {clank}, {clash}] 2: a serious accident (usually involving one or more vehicles); "they are still investigating the crash of the TWA plane" [syn: {wreck}] 3: a sudden large decline of business or the prices of stocks (especially one that causes additional failures) [syn: {collapse}] 4: the act of colliding with something; "his crash through the window"; "the fullback's smash into the defensive line" [syn: {smash}] 5: (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 1: fall or come down violently; "The branch crashed down on my car"; "The plane crashed in the sea" 2: move with, or as if with, a crashing noise; "The car crashed through the glass door" 3: undergo damage or destruction on impact; "the plane crashed into the ocean"; "The car crashed into the lamp post" [syn: {ram}] 4: move violently as through a barrier; "The terrorists crashed the gate" 5: break violently or noisily; smash; [syn: {break up}, {break apart}] 6: occupy, usually uninvited; "My son's friends crashed our house last weekend" 7: enter uninvited; informal; "let's crash the party!" [syn: {barge in}, {gate-crash}] 8: cause to crash; "The terrorists crashed the car into the gate of the palace" 9: hurl or thrust violently; "He dashed the plate against the wall"; "Waves were dashing against the rock" [syn: {dash}] 10: undergo a sudden and severe downturn; "the economy crashed"; "will the stock market crash again?" 11: stop operating; "My computer crashed last night"; "The system goes down at least once a week" [syn: {go down}] 12: sleep in a convenient place; "You can crash here, though it's not very comfortable" [syn: {doss}, {doss down}]

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