Synonyms for crash

noun

• the act of colliding with something
• a serious accident (usually involving one or more vehicles)
• a sudden large decline of business or the prices of stocks (especially one that causes additional failures)
• a loud resonant repeating noise
• (computer science) an event that causes a computer system to become inoperative

verb

• enter uninvited; informal
• hurl or thrust violently
• undergo damage or destruction on impact
• break violently or noisily; smash
• sleep in a convenient place
• stop operating
• cause to crash
• fall or come down violently
• make a sudden loud sound
• move violently as through a barrier
• move with, or as if with, a crashing noise
• occupy, usually uninvited
• undergo a sudden and severe downturn