interrogation

noun

in·​ter·​ro·​ga·​tion in-ˌter-ə-ˈgā-shən 

plural interrogations

: the act of interrogating someone or something: such as

a

: a formal and systematic questioning

She conducted a skillful interrogation of the witness.

It was old-fashioned interrogation and eavesdropping that first led U.S. intelligence agents to the … plotters.

—Michael Isikoff

And during interrogation, instead of just listening for inconsistencies in what is said, agents are being taught to look for minute physical reactions on the faces of people being questioned.

—Ann Davis et al.

b

: the sending of an electronic signal intended to trigger a particular response from something (such as a transponder)

A transponder will send an identifying coded signal in response to a transmitted interrogation …

—Jim Sparks

The airborne equipment measures the time between the interrogation and the return signal, and converts this time measurement into a mileage reading on our instrument panel, on either a dial or digital counter.

—Joseph W. Benkert

interrogational

in-ˌter-ə-ˈgā-sh(ə-)nəl 

adjective

Examples of interrogation in a Sentence

Recent Examples on the Web

Former detainees and international rights groups accuse him of personally participating in or directing harsh interrogation practices, including physical and psychological mistreatment. —Antonio María Delgado, Miami Herald, 6 Jan. 2026

The hunt for a murder suspect uncovers a crime with shocking legal and ethical implications; Bruno must protect his squad during a raid on a suspect's home; Carisi and Price team up in court when Brady's interrogation tactics undermine the case. —Randall Colburn, Entertainment Weekly, 5 Jan. 2026

Law enforcement is currently conducting interrogations with the facility’s management and residents, according to the Investigative Committee of Russia. —Toria Sheffield, PEOPLE, 20 Dec. 2025

Miranda warnings are required before an in-custody interrogation. —Adam Reiss, NBC news, 18 Dec. 2025

Word History

First Known Use

1534, in the meaning defined above

Phrases Containing interrogation

• interrogation point

Rhymes for interrogation

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration
• adulteration