English Reference

Word

interrogation

Phoneticsin·ter·ro·ga·tion, stress on the fourth syllable

US/ˌɪnˌtɛɹəˈɡeɪʃən/

UK/ɪntˌɛɹəɡˈeɪʃən/

Definitions

01forceful questioning

B2 · Upper Intermediate Countable noun Law

n. the act of asking someone many questions for a long time, usually to get information or a confession.

n. the formal and systematic questioning of a suspect or witness, often conducted under pressure or in a legal context.

“The suspect was taken to the police station for a long interrogation.”

“After six hours of intense interrogation, the detective finally managed to uncover the inconsistencies in the witness's original statement.”

Usage

Often used with the verbs 'conduct', 'undergo', or 'subject to'.

02a question mark

C2 · Proficiency Countable noun Archaic

n. an old word for a question mark.

n. a punctuation mark used at the end of a sentence to indicate a question.

“In the old manuscript, every question ended with a strange interrogation.”

“The scribe had placed a formal interrogation at the end of the sentence to ensure the reader understood the rising intonation required.”

Teaching tip

This sense is archaic; modern speakers and writers exclusively use 'question mark'.

Synonyms

question mark

Real-World Examples

“Zin said US officials had told her that Min Zin was being subjected to up to six hours of interrogations each day when he first arrived in jail.”
BBC News 17 Sept 2026
“You’d be in a room with a one-way mirror, like an interrogation room.”
The Guardian 22 Aug 2026

Etymology

From Middle English interrogacion, from Old French interrogacion, from Latin interrogātiō, from interrogō, from inter- (“between; among”) + rogō (“to ask; to request”). Equivalent to inter- + rogation or interrogate + -ion.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

interrogation(B2)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference