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Federal Bureau of Investigation

British  

noun

  1. See FBI

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Federal Bureau of Investigation Cultural  
  1. An agency of the United States federal government, long headed by J. Edgar Hoover, which investigates violations of federal (rather than state or local) laws, including kidnaping, smuggling narcotics, and espionage.


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Established in 1908 under the Department of Justice, the FBI earned its reputation in the 1920s and 1930s by apprehending notorious bank robbers and gangsters.

Example Sentences

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Frustration over the stalled case set off finger-pointing by Federal Bureau of Investigation Director Kash Patel, who had early on promised to lead the charge but has since gone largely silent.

From The Wall Street Journal Aug. 2, 2026

Surfside Beach had fallen victim to a “business email compromise” scam, a cyber-swindle that cost $3 billion nationally last year, the Federal Bureau of Investigation says.

From The Wall Street Journal Jul. 22, 2026

The agency didn’t say where the shooting took place but said the Federal Bureau of Investigation in Houston was investigating the potential assault of a federal law enforcement officer.

From The Wall Street Journal Jul. 8, 2026

The Federal Bureau of Investigation has also "seized over 500 of those drones, to process as evidence in FBI investigations," Doug Olson, the FBI's special agent responsible for coordination around the 2026 World Cup.

From Barron's Jun. 29, 2026

“The work of Military Intelligence, the Federal Bureau of Investigation, and the Atomic Energy Commission—all, at one time or another have felt the effect of his falsehoods, evasions, and misrepresentations,” Strauss wrote.

From "Big Science" by Michael Hiltzik

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