Breakdown vs Failure

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

Breakdown

Top 2,000 (common)C1noun

Failure

Top 1,000 (very common)B2noun
Most common: Failure
 BreakdownFailure
Pronunciation🇬🇧 /["/ˈbreɪkdaʊn/"]/🇺🇸 /["/ˈbreɪkdaʊn/"]/🇬🇧 /["/ˈfeɪljə(r)/"]/🇺🇸 /["/ˈfeɪljər/"]/
MeaningA failure or collapse of something, like a machine or system.not succeeding in something
ExampleThe breakdown of the car left us stranded on the highway.His failure to meet the deadline cost the company a valuable contract.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelC1B2
Part of speechnounnoun
Collocationsmechanical, occur, service, truck, vehicle, serious, complete, irretrievable, cause, lead to, prevent, breakdown in, breakdown of, detailed, full, cost, prepare, give somebody, provide (somebody with), breakdown by, breakdown of, emotional, mental, nervous, have, suffer, the brink of a nervous breakdown, the edge of a nervous breakdown, the verge of a nervous breakdowncomplete, 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
Antonymsrepair, fix, solutionsuccess, achievement, victory
Common mistakesUsing 'breakdown' instead of 'break down' as a verb phrase., Confusing 'breakdown' with 'breakthrough', which has a very different meaning., Using 'breakdown' in contexts where a different term, like 'failure', is more specific.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 notesUse 'breakdown' when talking about mechanical failures or emotional collapse. It’s appropriate in both technical and everyday contexts. Avoid using it in formal writing about unrelated topics.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.'

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Breakdown
Failure

Frequently asked questions: Breakdown vs Failure

What's the difference between Breakdown and Failure?

Breakdown: A failure or collapse of something, like a machine or system. Failure: not succeeding in something

Which is more common: Breakdown and Failure?

Failure is the most common in everyday English.

Which is more advanced: Breakdown and Failure?

Breakdown is the highest level, at C1, on the CEFR scale.

Are Breakdown and Failure the same CEFR level?

Breakdown: C1, Failure: B2 on the CEFR scale.

What part of speech are Breakdown and Failure?

Breakdown: noun, Failure: noun.

Can you show an example of each?

Breakdown: The breakdown of the car left us stranded on the highway. Failure: His failure to meet the deadline cost the company a valuable contract.

Can I use Breakdown and Failure interchangeably?

Not always. Breakdown 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.

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