Fbi

Pronunciation: /ɛf.bi.aɪ/

Definitions of FBI

noun Federal Bureau of Investigation, a government agency responsible for investigating federal crimes and enforcing laws

Example Sentences

A1 The FBI is a government agency in the United States.

A2 The FBI investigates crimes and protects national security.

B1 The FBI works closely with other law enforcement agencies to solve cases.

B2 The FBI has a specialized unit for cybercrime investigations.

C1 The FBI has jurisdiction over a wide range of federal crimes.

C2 The FBI is known for its expertise in counterterrorism operations.

Examples of FBI in a Sentence

formal The FBI is conducting an investigation into the cyber attack.

informal I heard the FBI is looking into the case.

slang The FBI is on the case, so watch out.

figurative She felt like the FBI was always watching her every move.

Grammatical Forms of FBI

• plural: FBIs
• present tense: FBI
• future tense: will FBI
• perfect tense: have FBIed
• continuous tense: is FBIing
• singular: FBI
• positive degree: more FBI
• infinitive: to FBI
• gerund: FBIing
• participle: FBIed

Origin and Evolution of FBI

First Known Use: 1935 year

Language of Origin: English

Story behind the word: The acronym FBI stands for Federal Bureau of Investigation.

Evolution of the word: The term FBI was first used in 1935 when the agency was officially renamed from the Bureau of Investigation to the Federal Bureau of Investigation. Since then, the term has become synonymous with the premier federal law enforcement agency in the United States.