in·​ter·​ro·​ga·​tion | \ in-ˌter-ə-ˈgā-shən How to pronounce interrogation (audio) \
plural interrogations

Definition of interrogation

: 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) 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

Other Words from interrogation

interrogational \ in-​ˌter-​ə-​ˈgā-​shnəl How to pronounce interrogational (audio) , -​shə-​nᵊl \ adjective

First Known Use of interrogation

1534, in the meaning defined above

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Time Traveler for interrogation

Time Traveler

The first known use of interrogation was in 1534

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Cite this Entry

“Interrogation.” The Dictionary, Merriam-Webster Inc., Accessed 11 December 2019.

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More Definitions for interrogation


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

Kids Definition of interrogation

: the act of questioning thoroughly

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More from Merriam-Webster on interrogation

Spanish Central: Translation of interrogation

Nglish: Translation of interrogation for Spanish Speakers

Britannica English: Translation of interrogation for Arabic Speakers

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heavy with or as if with moisture

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