Definition of investigatornext
1
as in researcher
one who observes or studies by close examination and systematic inquiry investigators who discovered new evidence that the universe was much older than had been previously estimated

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2
as in detective
a person not on the police force who investigates criminal or illicit activity or searches for missing persons the investigator in charge of the case was touted as an expert at tracing stolen art

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of investigator For weeks, the victims' families waited for answers as investigators worked to identify the killer. Anthony Thompson, USA Today, 13 June 2026 There, investigators found 26-year-old Brittnee McMillon and 29-year-old Jerrell Westmoreland unresponsive in a vehicle in the apartment’s parking lot, according to a probable cause statement filed in support of Siffre’s arrest. Caroline Zimmerman, Kansas City Star, 8 June 2026 Gerken urged anyone with information about the shooting to contact investigators. Michael Sinkewicz, FOXNews.com, 7 June 2026 The driver, who had been shot in the shoulder, drove to Northwest Fifth Avenue and 46th Street, about a mile away, before calling police, investigators say. Milena Malaver, Miami Herald, 6 June 2026 See All Example Sentences for investigator
Recent Examples of Synonyms for investigator
Noun
  • Opening avenues for obesity treatment The researchers also assessed the consequences of impaired POMC processing.
    Isabella Backman, Hartford Courant, 12 June 2026
  • In one study, researchers placed petri dishes beneath restroom air dryers and found as many as 60 bacterial colonies after just 30 seconds of exposure.
    Alexandra Banner, CNN Money, 12 June 2026
Noun
  • Bucks County detectives analyzed the account data and digital footprints, tracking the email and IP address directly to Tiffany's residence and personal devices, the DA's office said.
    Tom Ignudo, CBS News, 10 June 2026
  • The detectives subsequently obtained an arrest warrant Burnside on the homicide charge.
    Rosalio Ahumada, Sacbee.com, 10 June 2026

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Cite this Entry

“Investigator.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/investigator. Accessed 14 Jun. 2026.

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