English Lexicon

Investigator

/ɪnˈvɛstɪɡeɪtər/
nounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

1 sense
As noun
  1. 1

    A person who carries out a formal inquiry or investigation, typically one police officer or a private detective.

    "The private investigator followed the suspect for three days."

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Linguistic Origin & Historical Etymology

The term 'investigator' originates from the Latin word 'investigare', meaning 'to track down' or 'to search into'. It evolved through Middle English, where it was used to describe someone who examines or researches a subject in depth.

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