Federal Bureau of Investigation

proper noun

The domestic intelligence and security service of the United States, which simultaneously serves as its primary federal law enforcement organization.

Similar
FBI
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Meanings

proper nounthe Federal Bureau of Investigation
  1. The domestic intelligence and security service of the United States, which simultaneously serves as its primary federal law enforcement organization.

Synonyms & antonyms

nouna federal law enforcement agency that is the principal investigative arm of the Department of Justice

Similar
FBI
Broader
law enforcement agency
Also see
fbi

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

Federal Bureau of Investigation. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Federal%20Bureau%20of%20Investigation

MLA

“Federal Bureau of Investigation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Federal%20Bureau%20of%20Investigation. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Federal Bureau of Investigation,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Federal%20Bureau%20of%20Investigation.

Source: Federal Bureau of Investigation on Wiktionary, CC BY-SA 4.0.