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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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In a congressional hearing after the FBI files release, then-attorney general Pam Bondi stated that the Federal Bureau of Investigation was waiting to hear from victims or anyone with relevant information.

From The Wall Street Journal Sep. 23, 2026

It teamed up with the Federal Bureau of Investigation this summer to educate job seekers.

From The Wall Street Journal Sep. 22, 2026

Water and wastewater utilities in at least seven states have reported cyberattacks last week targeting systems that monitor and operate facilities, the Federal Bureau of Investigation and Environmental Protection Agency said late Thursday.

From The Wall Street Journal Aug. 3, 2026

Estimate of the number of states hit by cyberattacks on their water and wastewater utilities last week, according to the Federal Bureau of Investigation and Environmental Protection Agency.

From The Wall Street Journal Aug. 3, 2026

Agents were now empowered to make arrests and carry firearms, and the department was soon renamed the Federal Bureau of Investigation.

From "Killers of the Flower Moon" by David Grann

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