English Reference
adjective

investigative

adj.
US /ˌɪnˈvɛstəˌɡeɪtɪv/ UK /ɪnvˈɛstɪɡətˌɪv/ in·ves·tiga·tive

  1. 01 B2 Upper Intermediate Academic

    used to describe work that involves searching for the truth about a crime or a secret.

    pertaining to the systematic process of uncovering facts, especially regarding criminal activity or institutional misconduct.

    Simple

    The reporter won an award for her investigative work on the local government.

    In context

    The committee launched an investigative audit to determine how the public funds had been mismanaged over the last decade.

    Usage

    Usually placed before the noun it describes.

    exploratoryanalyticalfact finding
  2. 02 C1 Advanced Formal

    showing a strong desire to ask questions and learn more about something.

    characterised by an inquisitive or curious disposition; seeking to understand through questioning.

    Simple

    The child had an investigative mind and was always taking toys apart to see how they worked.

    In context

    He cast an investigative glance around the room, noting the subtle inconsistencies in the witness's story.

    Teacher's tip

    While 'curious' is common, 'investigative' suggests a more serious or methodical way of looking at things.

Usage investigative reports

They said they were unaware of the company's difficulties until an investigative news story by the online magazine, The Cut, surfaced in September 2025.

BBC News· 14 Aug 2026

The company said it would use human review and AI investigative tools to determine if artists were fake.

The Guardian· 11 Aug 2026

From investigate + -ive.

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

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated