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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

After a December 2015 terrorist attack in San Bernardino, Calif., the Federal Bureau of Investigation tried to compel Apple to build a universal back door into the iPhone.

From The Wall Street Journal

Alex Doran, the acting special agent in charge of the Federal Bureau of Investigation in San Antonio, said it was too early to know the shooter’s motive.

From The Wall Street Journal

The Federal Bureau of Investigation is leading the inquiry, working to compile a psychological profile and gather evidence about why he traveled south and armed himself before the breach.

From Salon

The billionaire was referred to as a “co-conspirator” in an internal Federal Bureau of Investigation document in August 2019, a document that was prepared shortly after Epstein died in jail.

From The Wall Street Journal

He has been working in conjunction with the Federal Bureau of Investigation on the Guthrie case, but the relationship has seemed strained at times.

From The Wall Street Journal