a person who interrogates.
Also called challenger. Radio. a transmitter that emits a signal to trigger a transponder.

Origin of interrogator

1745–55; < Late Latin interrogātor; see interrogate, -tor Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for interrogator

questioner, researcher, investigator, asker, prober

Examples from the Web for interrogator

Contemporary Examples of interrogator

Historical Examples of interrogator

  • "I think you are wrong to be so impatient, Louis," the one who had acted as interrogator said.

  • "Oh, all right, if you don't feel like discussing that," his interrogator said smoothly.

    The Winning Clue

    James Hay, Jr.

  • "That is precisely what I have been sent down to investigate," said his interrogator.

  • Aileen put down her work and looked across to her interrogator.

    Flamsted quarries

    Mary E. Waller

  • “It is,” replied the old man, eyeing his interrogator suspiciously.

British Dictionary definitions for interrogator



a person who interrogates
a radio or radar transmitter used to send interrogating signals
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for interrogator

1751, from Late Latin interrogator, agent noun from interrogare (see interrogation).

Online Etymology Dictionary, © 2010 Douglas Harper