[ 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.

Words nearby FBI

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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British Dictionary definitions for FBI


abbreviation for (in the US)

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