false flag
Americannoun
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an attack or other hostile action that obscures the identity of the participants carrying out the action while implicating another group or nation as the perpetrator (often used attributively): The false flag terrorist attack lured the military into a hasty response.
Evidence suggests that the covert operation was a false flag.
The false flag terrorist attack lured the military into a hasty response.
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a misrepresentation of affiliation or motivation or a false equivalence deliberately put forth to manipulate the context, perception, or frame of an action, object, or argument (often used attributively).
Public schools are losing tax dollars to private schools under the false flag of school vouchers expanding parental choice.
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a flag flown to disguise the nationality or affiliation of a vessel, vehicle, or base of operations.
Surviving sailors reported that the privateer was flying a false flag on approach and attacked as soon as cannons were in range.
Usage
What is a false flag? A false flag is intentional misrepresentation, especially a covert political or military operation carried out to appear as if it was undertaken by another party.
Etymology
Origin of false flag
First recorded in 1560–70
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.
"Forwarder, on the other hand, is flagged by Russia and despite the opaque ownership structure we have no information to suggest that is a false flag."
From BBC ● Jun. 18, 2026
And he declared, as Alex Jones was battling lawsuits over his claims that the child victims of the Sandy Hook shooting were actors in a false flag operation, that Jones “did nothing wrong.”
From Slate ● Mar. 26, 2026
When its forces seized the tanker in the Atlantic on January 7, the White House said the vessel was "deemed stateless after flying a false flag".
From Barron's ● Jan. 25, 2026
At the time the U.S. began pursuing the tanker, the Bella 1 was a stateless vessel flying a false flag and subject to a judicial seizure order, according to the White House.
From The Wall Street Journal ● Jan. 7, 2026
I struck the false flag at once, unfurled the Spanish, and refreshing the men with a double allowance of grog and grub, put them again to the sweeps.
From Captain Canot or, Twenty Years of an African Slaver by Brantz Mayer
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.