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Synonyms

crash

1 American  
[krash] / kræʃ /

verb (used without object)

  1. to make a loud, clattering noise, as of something dashed to pieces.

  2. to break or fall to pieces with noise.

  3. (of moving vehicles, objects, etc.) to collide, especially violently and noisily.

  4. to move or go with a crash; strike with a crash.

  5. Aeronautics. to land in an abnormal manner, usually causing severe damage.

    The airliner crashed.

  6. to collapse or fail suddenly, as a financial enterprise.

    The stock market crashed.

  7. Informal. to gain admittance to a party, performance, etc., without an invitation, ticket, or permission.

  8. Slang.

    1. to sleep.

    2. to have a temporary place to sleep or live without payment.

      He let me crash at his house.

    3. to fall asleep.

      I get home in the evening and I just crash till it's time for dinner.

  9. Slang. to experience unpleasant sensations, as sudden exhaustion or depression, when a drug, especially an amphetamine, wears off.

  10. Medicine/Medical Slang. to suffer cardiac arrest.

  11. Ecology. (of a population) to decline rapidly.

  12. Computers. to shut down because of a malfunction of hardware or software.


verb (used with object)

  1. to break into pieces violently and noisily; shatter.

    Synonyms:
    smash, break
  2. to force or drive with violence and noise (usually followed by in, through, out, etc.).

  3. Aeronautics. to cause (an aircraft) to make a landing in an abnormal manner, usually damaging or wrecking the aircraft.

  4. Informal.

    1. to gain admittance to, even though uninvited.

      to crash a party.

    2. to enter without a ticket, permission, etc..

      to crash the gate at a football game.

noun

  1. a sudden loud noise, as of something being violently smashed or struck.

    the crash of thunder.

  2. a breaking or falling to pieces with loud noise.

    the sudden crash of dishes.

  3. a collision or crashing, as of automobiles, trains, etc.

  4. the shock of collision and breaking.

  5. a sudden and violent falling to ruin.

    Synonyms:
    ruin, failure
  6. a sudden general collapse of a business enterprise, prosperity, the stock market, etc..

    the crash of 1929.

  7. Aeronautics. an act or instance of crashing.

  8. Ecology. a sudden, rapid decline in the size of a population.

adjective

  1. characterized by an intensive effort, especially to deal with an emergency, meet a deadline, etc..

    a crash plan to house flood victims; a crash diet.

crash 2 American  
[krash] / kræʃ /

noun

  1. a plain-weave fabric of rough, irregular, or lumpy yarns, for toweling, dresses, etc.

  2. Bookbinding. starched cotton fabric used to reinforce the spine of a bound book.


crash 1 British  
/ kræʃ /

verb

  1. to make or cause to make a loud noise as of solid objects smashing or clattering

  2. to fall or cause to fall with force, breaking in pieces with a loud noise as of solid objects smashing

  3. (intr) to break or smash in pieces with a loud noise

  4. (intr) to collapse or fail suddenly

    this business is sure to crash

  5. to cause (an aircraft) to hit land or water violently resulting in severe damage or (of an aircraft) to hit land or water in this way

  6. to cause (a car, etc) to collide with another car or other object or (of two or more cars) to be involved in a collision

  7. to move or cause to move violently or noisily

    to crash through a barrier

  8. informal short for gate-crash

  9. (intr) (of a computer system or program) to fail suddenly and completely because of a malfunction

  10. slang (intr) another term for crash out

  11. informal to fail; be unsuccessful

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. an act or instance of breaking and falling to pieces

  2. a sudden loud noise

    the crash of thunder

  3. a collision, as between vehicles

  4. a sudden descent of an aircraft as a result of which it hits land or water

  5. the sudden collapse of a business, stock exchange, etc, esp one causing further financial failure

  6. (modifier)

    1. requiring or using intensive effort and all possible resources in order to accomplish something quickly

      a crash programme

    2. sudden or vigorous

      a crash halt

      a crash tackle

  7. informal a complete failure

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
crash 2 British  
/ kræʃ /

noun

  1. a coarse cotton or linen cloth used for towelling, curtains, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • crasher noun

Etymology

Origin of crash1

First recorded in 1350–1400; 1920–25 crash 1 for def. 16; 1870–75 crash 1 for def. 22; Middle English crasche, blend of crase “to break” and masche “to crush, pulp”; see origin at craze, mash 1

Origin of crash2

First recorded in 1805–15; probably from Russian krashenína “painted or dyed coarse linen,” equivalent to kráshenyĭ “painted” (past participle of krásit' “to paint”) + -ina noun suffix

Explanation

Boom! Bam! Pow! A crash is when two things collide, or smash, into each other. Crash and smash have similar meanings and sounds. You can start to worry when you hear the word crash. Many people die in car and airplane crashes every year. Other crashes are less physical yet just as bad. In a stock-market crash, a lot of people lose a lot of money. You can also use crash as a verb. You'd better not crash your bike into the coffee shop window! If your computer crashes, you will probably lose all the data in it.

Keep Reading on Vocabulary.com

Vocabulary lists containing crash

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

After the dot-com crash, initial public offerings became much less common, hovering below 100 in most years apart from 2021, during the rebound following the Covid-19 pandemic.

From Barron's • Apr. 21, 2026

Mexican President Claudia Sheinbaum is demanding an investigation into reports that two U.S. officials died in a car crash after helping to dismantle meth labs in Mexico.

From The Wall Street Journal • Apr. 21, 2026

The impact of the death of Vichai - in a helicopter crash outside Leicester's stadium following a draw with West Ham - cannot be underestimated and is one the Foxes are still recovering from.

From BBC • Apr. 21, 2026

The crash was reported shortly before 11 a.m. near the intersection of San Fernando Road and Van Nuys Boulevard, according to the Los Angeles Police Department.

From Los Angeles Times • Apr. 20, 2026

As Burger approached the water, he could hear Dasch's voice over the crash of the waves.

From Nazi Saboteurs by Samantha Seiple