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investigator

B2
Fairly common

Pronunciation

UK

  • /ɪnvˈɛstɪɡˌeɪtə/

US

  • /ˌɪnˈvɛstəˌɡeɪtər/

Meanings

Noun

  1. a person whose job is to investigate crimes, complaints, accidents, or wrongdoing

  2. a researcher who conducts or leads a formal study

  3. a person who examines a question or situation carefully to find facts

Beyond the definition

An investigator is not just someone with a magnifying glass, though that image is easy to picture. It can be anyone who carefully looks into something to find facts or answers. Think of Sherlock Holmes studying clues, but also think of a scientist working to understand a disease. The context matters. An investigator could be a police detective solving a crime, a journalist checking the truth behind a story, or someone at a company looking into an internal problem. They all share the same goal: to find out what really happened.

Examples

  1. 1

    Accident witness

    The investigator interviewed three people who saw the accident.

  2. 2

    Police search

    Police investigators searched the house for more evidence.

  3. 3

    Private investigation

    Her lawyer hired a private investigator to find the missing documents.

  4. 4

    Insurance claim

    The insurance company sent an investigator to inspect the damage after the fire.

More examples
  1. 5

    Assigned case

    A new investigator was put on the case last week.

    • Phraseon the case

      working on that problem or investigation

  2. 6

    Investigation lead

    As the lead investigator, Park gave a brief update to reporters.

    • Phraselead investigator

      the person in charge of an investigation

  3. 7

    Research study

    The university named Dr. Chen as the principal investigator for the new medical study.

    • Domainprincipal investigator

      the person in charge of a research study

See also

Similar

Shades of meaning

Contrast

Used with (collocations)

  • private investigator
  • criminal investigator
  • lead investigator
  • principal investigator

Word family

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Forms and spellings

2 forms open this card.

Main spelling

  • investigatornoun

Forms

  • investigatorspluralnoun