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.

“I can tell you unequivocally, this FBI is targeting and investigating no journalists,” he said.

From Salon • May 16, 2026

The FBI director was also on the Hill this week for a budget hearing and, in an unorthodox strategy for a setting where you’re asking Congress for money, was eager to fight.

From Slate • May 16, 2026

The alleged wrongdoing has no connection to FBI raids in February at the San Pedro home and downtown office of L.A. schools Supt.

From Los Angeles Times • May 12, 2026

Harfuch -- who was trained in FBI workshops, according to Cervantes -- now frequently meets with US security officials to discuss anti-narcotics efforts.

From Barron's • May 10, 2026

“I know the FBI will find her eventually. I just really wanted to talk to her myself, you know? I want to understand why she did it.”

From "South of Somewhere" by Kalena Miller

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