crash
B1Neutral; used across formal and informal contexts, with some informal/colloquial uses (e.g., 'crash at someone's place').
Definition
Meaning
A sudden, violent collision or impact, often involving loud noise and causing damage or destruction.
Any sudden and complete failure or collapse, especially of a system, market, or emotional state; also, an intense, rapid, and often temporary period of activity.
Linguistics
Semantic Notes
As a noun, primarily denotes an event. As a verb, can be transitive ('crash the car') or intransitive ('the system crashed'). Also used as an adjective ('a crash course') and adverb ('he went crash'). The meaning shifts dramatically between physical collision, systemic failure, and informal accommodation.
Dialectal Variation
British vs American Usage
Differences
Spelling is identical. In British English, 'crash' for 'collision' is slightly more frequent than 'wreck' (which is more American). 'Crash out' (fall asleep) is more common in UK informal use.
Connotations
Largely similar. 'Crash' in computing is universal. The idiom 'crash and burn' is equally vivid.
Frequency
Similar high frequency. The informal verb meaning 'to sleep/stay temporarily' is slightly more common in UK English.
Vocabulary
Collocations
Grammar
Valency Patterns
Verb (intransitive): The computer crashed.Verb (transitive): He crashed the car.Verb + preposition (into): The lorry crashed into the barrier.Verb + adverb (down): The waves crashed down on the rocks.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “crash and burn”
- “crash course”
- “crash out”
- “crash the gate”
- “cash crash (slang for spending)”
Usage
Context Usage
Business
Sudden, severe drop in market values (e.g., 'the 2008 financial crash').
Academic
Describing statistical anomalies or system failures in experiments.
Everyday
Traffic accidents, computer problems, or unexpectedly staying somewhere (e.g., 'Can I crash on your sofa?').
Technical
In computing: an unexpected system halt. In engineering: a destructive test event.
Examples
By Part of Speech
verb
British English
- The server crashed during the update.
- He crashed his bike into the fence.
- After the gig, I crashed at a mate's.
American English
- The program crashed and I lost my work.
- She crashed the car on the freeway.
- Can I crash on your couch tonight?
adverb
British English
- The tree fell crash through the roof.
- He went crash into the bins.
American English
- The plate landed crash on the tile floor.
- The stock went crash in after-hours trading.
adjective
British English
- She took a crash course in Spanish.
- The crash barrier was damaged.
American English
- He's on a crash diet before the wedding.
- Crash test dummies are used for safety ratings.
Examples
By CEFR Level
- I heard a loud crash in the kitchen.
- Be careful not to crash your toy car!
- The economic crash affected many people.
- My computer crashes when I open too many programs.
- The government implemented measures to prevent another market crash.
- After the party, a few friends crashed in the spare room.
- The novel's protagonist experiences a psychological crash following his perceived failures.
- Researchers are analysing the data from the aircraft's crash recorder.
Learning
Memory Aids
Mnemonic
Imagine a CRASH of cymbals in an orchestra – sudden, loud, and impossible to ignore.
Conceptual Metaphor
FAILURE/COLLAPSE IS A VIOLENT IMPACT (e.g., 'his dreams crashed', 'the company crashed').
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Не путать с 'crush' (раздавливать, влюблённость).
- Перевод зависит от контекста: 'крах' (системы), 'авария' (транспорт), 'грохот' (шум), 'ночевать' (сленг).
- В значении 'быстрый курс' — 'интенсивный курс', а не 'сломанный курс'.
Common Mistakes
- Using 'crash' for a slow decline (use 'decline' or 'deteriorate').
- Confusing 'crash into' (collide) with 'crash on' (sleep).
- Incorrect preposition: 'crash to' instead of 'crash into'.
Practice
Quiz
In which sentence is 'crash' used in an informal sense meaning 'to sleep'?
FAQ
Frequently Asked Questions
No, while it often denotes serious collisions, it's also used for minor bumps, computer failures, and informal situations like sleeping somewhere temporarily.
'Crash' involves a violent collision. 'Crush' means to press/deform or have an infatuation. 'Clash' implies a conflict or mismatch (e.g., colours, opinions).
Rarely in its core meaning, but in compounds like 'crash course' (intensive learning) it has a neutral/positive connotation of efficiency.
Yes, it's a common idiom meaning to attend a party without an invitation.