breakdown
Americannoun
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a breaking down, wearing out, or sudden loss of ability to function efficiently, as of a machine.
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a loss of mental or physical health; collapse.
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an analysis or classification of something; division into parts, categories, processes, etc.
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Chemistry.
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Electricity. an electric discharge passing through faulty insulation or other material used to separate circuits or passing between electrodes in a vacuum or gas-filled tube.
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a noisy, lively folk dance.
Etymology
Origin of breakdown
First recorded in 1825–35; noun use of verb phrase break down
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
If anything, Texas came up $14 million short, according to a breakdown of tax revenues in the same analysis.
From Salon • Apr. 30, 2026
Instead, it was pulled into a broader regional breakdown as the larger system unraveled.
From Science Daily • Apr. 27, 2026
Here’s a breakdown of who the Rams have selected through the first three rounds of the 2026 NFL draft.
From Los Angeles Times • Apr. 24, 2026
The stressful process put pressure on his relationship and led to him having a mental breakdown, he says.
From BBC • Apr. 24, 2026
We had to see them watching our faces for any sign of a nervous breakdown.
From "Missing May" by Cynthia Rylant
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.