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English definition of “breakdown”

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breakdown

noun [C]  /ˈbreɪkˌdɑʊn/ us  

breakdown noun [C] (FAILURE)

a mechanical failure, or a failure in a system or a relationship: There was evidently a breakdown in communication leading to the false report. Their car trip was a disaster – they had frequent breakdowns and never reached their destination.

breakdown noun [C] (DIVISION)

a division of information into parts that belong together: We need a breakdown of the statistics into age groups.

breakdown noun [C] (ANXIETY)

a condition in which you are unable to control thoughts or feelings that prevent you from living and working as you usually do: It's about a middle-aged New York cop who is having a nervous breakdown.
(Definition of breakdown from the Cambridge Academic Content Dictionary © Cambridge University Press)
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