interrogate

UK: /ɪnˈtɛrəgeɪt/ US: /ɪnˈtɛrəˌgeɪt/ ,(in ter′ə gāt′)

Inflections of 'interrogate' (v): (⇒ conjugate)

interrogates

v 3rd person singular

interrogating

v pres p

interrogated

v past

interrogated

v past p

WordReference Random House Learner's Dictionary of American English © 2025

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 © 2025

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.

Collins Concise English Dictionary © HarperCollins Publishers::

interrogate / ɪnˈtɛrəˌɡeɪt/ verb

1. to ask questions (of), esp to question (a witness in court, spy, etc) closely

Etymology: 15th Century: from Latin interrogāre to question, examine, from rogāre to ask