FBI

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Definition

Proper noun A federal law enforcement agency of the United States government, serving as the principal investigative arm of the U.S. Department of Justice. Its primary responsibilities include protecting the United States from terrorist and foreign intelligence threats, and enforcing federal criminal laws.

Usage

The term "FBI" is used as a singular proper noun to refer to the agency as an organization. - The FBI is investigating the cyberattack. - She works for the FBI. - The evidence was handed over to the FBI.

Advanced Usage
  • "FBI agent": A specific officer or investigator employed by the FBI.
    • An FBI agent testified at the hearing.
  • "FBI director": The head of the Federal Bureau of Investigation.
    • The FBI director briefed Congress on the findings.
Variants and Related Words
  • Federal Bureau of Investigation: The full, formal name of the agency, often used in official contexts.
    • The case falls under the jurisdiction of the Federal Bureau of Investigation.
Synonyms
  • Federal law enforcement agency: A general term for a government agency enforcing federal laws.
  • The Bureau: An informal, shorthand reference used within law enforcement and government contexts.
    • He had a long career at the Bureau.
Noun
  1. a federal law enforcement agency that is the principal investigative arm of the Department of Justice

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