Showing results for FBI. Search instead for FE-BI.

FBI

American

[ef-bee-ahy] / ˈɛfˈbiˈaɪ /

noun

U.S. Government.

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

FBI British

abbreviation

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.

FBI Director Kash Patel filed a $250 million defamation lawsuit against the Atlantic and one of its writers, alleging a recent article was malicious and inaccurate.

From The Wall Street Journal • Apr. 20, 2026

Martina’s brother told Ahmad that she’d been interrogated by the FBI, that their address had been broadcast on the news, and that Martina had taken their girls to a safe place.

From Slate • Apr. 19, 2026

She is the third Angeleno from the city’s vast Iranian diaspora to be collared by the FBI in as many weeks.

From Los Angeles Times • Apr. 19, 2026

The FBI is continuing to investigate the case, with three other defendants - all based in America and in their 20s - also facing criminal charges.

From BBC • Apr. 17, 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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023