fallout
Americannoun
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the settling to the ground of airborne particles ejected into the atmosphere from the earth by explosions, eruptions, forest fires, etc., especially such settling from nuclear explosions radioactive fallout.
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the particles themselves.
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an unexpected or incidental effect, outcome, or product.
the psychological fallout of being obese.
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effects; results.
emotional fallout from a divorce.
noun
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the descent of solid material in the atmosphere onto the earth, esp of radioactive material following a nuclear explosion
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any solid particles that so descend
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informal side-effects; secondary consequences
verb
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informal to quarrel or disagree
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(intr) to happen or occur
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military to leave a parade or disciplinary formation
Etymology
Origin of fallout
First recorded in 1945–50; noun use of verb phrase fall out
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.
The deal had emerged on Friday following a fallout between OpenAI's rival Anthropic and the Department of Defense, over concerns around the use of its AI model Claude for mass surveillance and in fully-autonomous weapons.
From BBC
The fallout from the latest conflict has reached a new level.
The fallout from the conflict extended beyond the Gulf, with a British military airbase in Cyprus hit on Monday by an Iranian drone.
From Barron's
There are many reasons to be skeptical of Citrini Research’s viral report External link published on Feb. 22 that projected massive, near-term economic fallout from AI.
From Barron's
The company is also dealing with the fallout of its dispute with the U.S. government, which decided to blacklist Anthropic on Friday and to designate the company a supply-chain risk from a national-security perspective.
From MarketWatch
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.
