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FBI

American  
[ef-bee-ahy] / ˈɛfˈbiˈaɪ /

noun

U.S. Government.
  1. Federal Bureau of Investigation: the federal agency charged with investigations for the Attorney General and with safeguarding national security.


FBI British  

abbreviation

  1. Federal Bureau of Investigation; an agency of the Justice Department responsible for investigating violations of Federal laws

"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

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.

Essayli has confirmed on X that his office “has multiple election fraud investigations underway,” in coordination with the FBI in Los Angeles.

From Los Angeles Times • Jun. 7, 2026

The FBI interviewed Pauken when he visited the U.S. in early 2025, the documents said.

From The Wall Street Journal • Jun. 5, 2026

She said that when the FBI searched his home, Rush told investigators about the bars, which were locked and stored in his basement, and gave them codes to access them.

From BBC • Jun. 5, 2026

The Federal Tort Claims Act has generated significant payouts in recent years for groups alleging they were harmed by the FBI for failing to act on information provided to the bureau.

From The Wall Street Journal • Jun. 4, 2026

It was nearly ten o'clock, and he was ready to make his second phone call to the FBI.

From Nazi Saboteurs by Samantha Seiple

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