investigator
noun
in·ves·ti·ga·tor
in-ˈve-stə-ˌgā-tər 
plural investigators
: one who investigates something: such as
a
: detective
a private investigator
Debra Winger plays the investigator who becomes fixated on identifying a killer …—
Margaret Rauch
Margaret Rauch
b
: a person who conducts experiments or is involved in scientific studies for research
the lead investigator in a clinical trial
For dialect recording, it is best for the investigator to take down as full and accurate notes as possible without slowing down the pace of the interview.—Ravin I. McDavid, Jr.
Ravin I. McDavid, Jr.Examples of investigator in a Sentence
investigators who discovered new evidence that the universe was much older than had been previously estimated
the investigator in charge of the case was touted as an expert at tracing stolen art
Recent Examples on the Web
In its lawsuit, the agency’s investigators said Frost’s company, First Liberty Building and Loan, lied to investors about lending high-interest loans to small firms.
—David Zimmermann, The Washington Examiner, 11 July 2025
Near his body, the Kommersant newspaper reported, investigators found a Glock pistol that Starovoit had been given as an award.
—Clare Sebastian, CNN Money, 11 July 2025
The fire is being investigated by detectives with the Lake Havasu City Police Department and fire investigators.
—Michael Nied, People.com, 11 July 2025
Between 2022 to 2024, investigators completed forensic testing and found that the remains matched Erickson’s siblings.
—Saleen Martin, USA Today, 11 July 2025
See All Example Sentences for investigator
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David Zimmermann, The Washington Examiner, 11 July 2025
Near his body, the Kommersant newspaper reported, investigators found a Glock pistol that Starovoit had been given as an award.
—Clare Sebastian, CNN Money, 11 July 2025
The fire is being investigated by detectives with the Lake Havasu City Police Department and fire investigators.
—Michael Nied, People.com, 11 July 2025
Between 2022 to 2024, investigators completed forensic testing and found that the remains matched Erickson’s siblings.
—Saleen Martin, USA Today, 11 July 2025
See All Example Sentences for investigator
Cite this Entry
“Investigator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/investigator. Accessed 14 Jul. 2025.
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