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Synonyms

interrogator

American  
[in-ter-uh-gey-ter] / ɪnˈtɛr əˌgeɪ tər /

noun

  1. a person who interrogates.

  2. Also called challengerRadio. a transmitter that emits a signal to trigger a transponder.


interrogator British  
/ ɪnˈtɛrəˌɡeɪtə /

noun

  1. a person who interrogates

  2. 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

Etymology

Origin of interrogator

1745–55; < Late Latin interrogātor; interrogate, -tor

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

With this method, a device called an interrogator shoots laser pulses down the length of a cable, and some of the light bounces back.

From The Wall Street Journal • Apr. 9, 2026

"I made a mistake," he says, his voice trembling as an unseen interrogator presses him about the deaths of members of Iran's security forces.

From Barron's • Jan. 26, 2026

In April 1964 the MI5 interrogator Arthur Martin confronted Blunt, and promised him immunity from prosecution.

From BBC • Jan. 13, 2025

He’s told to start there by his interrogator.

From Los Angeles Times • May 30, 2024

It was like the third degree, only he was both interrogator and suspect, both tough cop and hounded prisoner, a cruel spotlight pinning him in a blinding circle of light.

From "The Chocolate War" by Robert Cormier