interrogator

UK: /ɪnˈtɛrəgeɪtə^r/ US: (in ter′ə gā′tər)

WordReference Random House Unabridged Dictionary of American English © 2026

in•ter•ro•ga•tor  (in ter′ə gā′tər), n. 

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

• Late Latin interrogātor; see interrogate, -tor
• 1745–55

Collins Concise English Dictionary © HarperCollins Publishers::

interrogator / ɪnˈtɛrəˌɡeɪtə/ noun

1. interrogant a person who interrogates
2. a radio or radar transmitter used to send interrogating signals

WordReference Random House Learner's Dictionary of American English © 2026

in•ter•ro•gate /ɪnˈtɛrəˌgeɪt/   v. [~ + object] , -gat•ed, -gat•ing. 

1. to ask questions of (a person), esp. formally and thoroughly:
   The police interrogated them for hours.

in•ter•ro•ga•tion /ɪnˌtɛrəˈgeɪʃən/  n. 

[countable] The interrogations could go on for days.

[uncountable] Under interrogation he is likely to tell the police everything.

in•ter•ro•ga•tor, n. [countable] See -roga-.

WordReference Random House Unabridged Dictionary of American English © 2026

in•ter•ro•gate  (in ter′ə gāt′), v., -gat•ed, -gat•ing. 
v.t. 

1. to ask questions of (a person), sometimes to seek answers or information that the person questioned considers personal or secret.
2. to examine by questions; question formally:
   The police captain interrogated the suspect.

v.i. 

3. to ask questions, esp. formally or officially:
   the right to interrogate.

• Latin interrogātus past participle of interrogāre to question, examine, equivalent. to inter- inter- + rogā(re) to ask + -tus past participle suffix
• 1475–85

in•ter•ro•ga•ble  (in ter′ə gə bəl), adj.  in•ter′ro•gat′ing•ly, adv. 
in•ter•ro•gee  (in ter′ə gē′), n.  Synonyms

• 1. query.