Collapse vs Failure

When to use each in English, with meaning, register, and examples.

Collapse

Top 2,000 (common) B2 verb

Failure

Top 1,000 (very common) B2 noun

Most common: Failure

	Collapse	Failure
Pronunciation	🇬🇧 //kəˈlæps// 🇺🇸 //kəˈlæps//	🇬🇧 /["/ˈfeɪljə(r)/"]/ 🇺🇸 /["/ˈfeɪljər/"]/
Meaning	To fall down or break apart suddenly	not succeeding in something
Example	The old bridge began to collapse under the weight of the truck.	His failure to meet the deadline cost the company a valuable contract.
Register	Neutral	Neutral
How common	Top 2,000 (common)	Top 1,000 (very common)
CEFR level	B2	B2
Part of speech	verb	noun
Collocations	collapse suddenly, collapse under pressure, collapse of a building, economic collapse, collapse into despair	complete, total, abject, be doomed to, end in, result in, rate, fear of failure, a history of failure, a possibility of failure, big, great, serious, be, represent, prove, arise from something, failure of, fundamental, general, manifest, excuse, justify, constitute, mechanical, structural, technical, cause, lead to, result in, occur, failure in, mechanical, structural, technical, cause, lead to, result in, occur, failure in, mechanical, structural, technical, cause, lead to, result in, occur, failure in
Antonyms	rise, stand, build	success, achievement, victory
Common mistakes	Confusing with 'collapse' as a noun; 'collapse' is a verb., Using 'collapse' without an object (it can be intransitive)., Mixing up with 'fall' in contexts where 'collapse' suggests sudden failure.	Using 'failure' as a verb instead of a noun., Confusing 'failure' with 'fault,' thinking they mean the same., Not using appropriate prepositions, such as saying 'failure of' instead of 'failure to.'
Usage notes	Use 'collapse' for physical structures or figurative situations. In formal contexts, it may refer to systems or economies.	Use 'failure' to describe a lack of success in a specific endeavor. Avoid in very formal documents unless necessary. In casual conversations, 'failure' can sound heavy; people may prefer 'not succeeding.'

See it in real clips

Three layers down, the dreams are gonna collapse with the slightest disturbance.

The Pitt › S1 E1

Diastolic collapse of the right atrium and right ventricle.

Three layers down, the dreams are gonna collapse with the slightest disturbance.

The Pitt › S1 E1

Diastolic collapse of the right atrium and right ventricle.

Collapse

Transmitter failure?

Band Of Brothers › S1 E1

Were I to let such a failure of duty by my own X O go unpunished...

The Pitt › S1 E1

High potassium and renal failure.

Transmitter failure?

Band Of Brothers › S1 E1

Were I to let such a failure of duty by my own X O go unpunished...

Failure

Frequently asked questions: Collapse vs Failure

What's the difference between Collapse and Failure?

Collapse: To fall down or break apart suddenly Failure: not succeeding in something

Which is more common: Collapse and Failure?

Failure is the most common in everyday English.

Are Collapse and Failure the same CEFR level?

Collapse: B2, Failure: B2 on the CEFR scale.

What part of speech are Collapse and Failure?

Collapse: verb, Failure: noun.

Can you show an example of each?

Collapse: The old bridge began to collapse under the weight of the truck. Failure: His failure to meet the deadline cost the company a valuable contract.

Can I use Collapse and Failure interchangeably?

Not always. Collapse and Failure are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.