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.
Other Word Forms
Noun Inflected Forms
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.
See Examples For:
It’s pretty indicative of the breakdown of trust between physicians and families.
From Los Angeles Times ● Jul. 28, 2026
At various points, sociologists proposed and critiqued affirmative action, inspired and lambasted welfare reform, diagnosed and dismissed the breakdown of the nuclear family.
From The Wall Street Journal ● Jul. 25, 2026
Some talk as though the population is ready to wield the pitchforks; that we are close to social breakdown; that a small spark could lead to a serious fire.
From BBC ● Jul. 20, 2026
MarketWatch’s breakdown of net worth by age — from the 25th percentile to the top 1% — is available here.
From MarketWatch ● Jul. 17, 2026
I take a seat on the fallen marble pillar where I had my breakdown, wait for the red light and Cressida’s question.
From "Mockingjay" by Suzanne Collins
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Philadelphia and Boston, much older cities, have more water main breakdowns than L.A.,
From Los Angeles Times ● Jul. 25, 2026
Although rulings on the shadow docket are typically unsigned and do not include vote breakdowns, we were able to identify how a justice voted in some cases.
From Salon ● Jul. 3, 2026
For the serious aficionado, there are intricate tactical breakdowns and opaque stats like expected goals.
From The Wall Street Journal ● Jul. 1, 2026
Hundreds of passengers were evacuated from two Eurostar trains in Belgium after breakdowns left them without air conditioning in the midst of a sweltering heatwave, the country's rail agency said.
From Barron's ● Jun. 27, 2026
"You mean other daughters have also had breakdowns?"
From "How the García Girls Lost Their Accents" by Julia Alvarez
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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.