Breakdown vs Dysfunction

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

Breakdown

Top 2,000 (common)C1noun

Dysfunction

Top 2,000 (common)
 BreakdownDysfunction
Pronunciation🇬🇧 /["/ˈbreɪkdaʊn/"]/🇺🇸 /["/ˈbreɪkdaʊn/"]/🇬🇧 //dɪsˈfʌŋkʃən//🇺🇸 //dɪsˈfʌŋkʃən//
MeaningA failure or collapse of something, like a machine or system.When something does not work properly.
ExampleThe breakdown of the car left us stranded on the highway.The patient was diagnosed with a serious heart dysfunction.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelC1-
Part of speechnoun
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 breakdownfamily dysfunction, sexual dysfunction, emotional dysfunction, organizational dysfunction, dysfunction in relationships
Antonymsrepair, fix, solutionfunction, effectiveness, efficiency
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.Confused with 'dysfunctional' which is the adjective form., Used too broadly when specific types of dysfunction should be mentioned., Incorrectly treating 'dysfunction' as a countable noun.
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 'dysfunction' in medical, psychological, or organizational contexts. Avoid in casual conversation unless discussing specific issues.

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Breakdown
Dysfunction

Frequently asked questions: Breakdown vs Dysfunction

What's the difference between Breakdown and Dysfunction?

Breakdown: A failure or collapse of something, like a machine or system. Dysfunction: When something does not work properly.

Can you show an example of each?

Breakdown: The breakdown of the car left us stranded on the highway. Dysfunction: The patient was diagnosed with a serious heart dysfunction.

Can I use Breakdown and Dysfunction interchangeably?

Not always. Breakdown and Dysfunction 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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