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
Fishy past Two decades ago, federal investigators alleged Marky’s was one of those companies caught in black market dealings.
—Kylie Williams, Miami Herald, 29 June 2025
State and city fire investigators say the Saddleridge fire began under one of those towers.
—Melody Petersen, Los Angeles Times, 28 June 2025
The couple and their dog Gilbert were shot in their home during the early morning hours of June 14, by a gunman who investigators say was targeting Democratic lawmakers.
—Ivan Pereira, ABC News, 28 June 2025
Federal investigators used the suit to file the federal charges.
—Laura Trujillo, USA Today, 27 June 2025
See All Example Sentences for investigator
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Kylie Williams, Miami Herald, 29 June 2025
State and city fire investigators say the Saddleridge fire began under one of those towers.
—Melody Petersen, Los Angeles Times, 28 June 2025
The couple and their dog Gilbert were shot in their home during the early morning hours of June 14, by a gunman who investigators say was targeting Democratic lawmakers.
—Ivan Pereira, ABC News, 28 June 2025
Federal investigators used the suit to file the federal charges.
—Laura Trujillo, USA Today, 27 June 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 7 Jul. 2025.
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