C1noun2K

Investigator

UK /["/ɪnˈvestɪɡeɪtə(r)/"]/US /["/ɪnˈvestɪɡeɪtər/"]/

Definition

a person who examines a situation such as an accident or a crime to find out the truth

In simple words: A person who looks for information or solves problems.

Examples

  • air safety investigators
  • a **private investigator** *(= a detective)*

Usage notes

Use 'investigator' when referring to a person who examines cases, often in police or research contexts. Avoid informal situations where simpler terms like 'finder' might be more appropriate.

Grammar pattern

standalone noun

Memory hint

Think of a detective investigating a crime scene.

Collocations

  • private investigator
  • criminal investigator
  • investigator general
  • lead investigator
  • investigator report

Synonyms

  • detective
  • examiner
  • researcher
  • inquisitor
  • info seeker

Antonyms

  • suspect
  • criminal
  • culprit
  • perpetrator

Common mistakes

  • Confusing with 'invest' which relates to money.
  • Using it in a casual way when it refers to serious cases.
  • Mispronouncing as 'investegator' instead of 'investigator'.