English Reference
noun

interrogation

n.
US /ˌɪnˌtɛɹəˈɡeɪʃən/ UK /ɪntˌɛɹəɡˈeɪʃən/ in·ter·ro·ga·tion UK spelling interrogations

  1. 01 B2 Upper Intermediate Law

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

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

    Simple

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

    In context

    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'.

  2. 02 C2 Proficiency Archaic

    an old word for a question mark.

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

    Simple

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

    In context

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

    Teacher's tip

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

    question mark

You’d be in a room with a one-way mirror, like an interrogation room.

The Guardian· 22 Aug 2026

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.

This entry
Origin Latin interrogātiō
Level B2 · Upper Intermediate
Frequency Frequent
Updated