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
The investigators from the Attorney General’s Office searched the agency’s office building through the day Wednesday, locking out its employees.
—ABC News, 3 June 2026
Two weeks after Soto died, sheriff’s investigators arrested Hamid on suspicion of homicide in the shooting.
—Rosalio Ahumada, Sacbee.com, 3 June 2026
According to investigators, officers received reports at the time that a driver had fired multiple shots at another vehicle.
—Dan Raby, CBS News, 3 June 2026
More than 30 years after an Illinois mother was found beaten to death in a rural field, authorities on Tuesday announced murder charges against a 70-year-old suspect in a cold case that investigators said never stopped haunting the community or the victim’s family.
—Alexandra Koch, FOXNews.com, 27 May 2026
See All Example Sentences for investigator
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ABC News, 3 June 2026
Two weeks after Soto died, sheriff’s investigators arrested Hamid on suspicion of homicide in the shooting.
—Rosalio Ahumada, Sacbee.com, 3 June 2026
According to investigators, officers received reports at the time that a driver had fired multiple shots at another vehicle.
—Dan Raby, CBS News, 3 June 2026
More than 30 years after an Illinois mother was found beaten to death in a rural field, authorities on Tuesday announced murder charges against a 70-year-old suspect in a cold case that investigators said never stopped haunting the community or the victim’s family.
—Alexandra Koch, FOXNews.com, 27 May 2026
See All Example Sentences for investigator
Cite this Entry
“Investigator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/investigator. Accessed 5 Jun. 2026.
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