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
According to investigators, the car Sengendo was allegedly driving ran through a red light, struck another vehicle and then hit Chalekian, who was walking back to her dance studio between rehearsals after grabbing dinner, her family said.
—Caleb Lunetta, San Diego Union-Tribune, 25 Nov. 2025
Federal investigators are examining new evidence and pursuing multiple lines of inquiry in the death of 18-year-old Florida cheerleader Anna Kepner, whose body was discovered aboard the on November 7.
—Robert Alexander, MSNBC Newsweek, 25 Nov. 2025
Set against the backdrop of modern forensic investigation, the series delves beyond the crime scene to explore the psychological complexities of both perpetrators and investigators, creating a multi-layered thriller that examines the toll of pursuing justice at all costs.
—Jackie Strause, HollywoodReporter, 25 Nov. 2025
For now, investigators are racing to find the exact cause of the infections before more babies get sick.
—Brenda Goodman, CNN Money, 25 Nov. 2025
See All Example Sentences for investigator
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Caleb Lunetta, San Diego Union-Tribune, 25 Nov. 2025
Federal investigators are examining new evidence and pursuing multiple lines of inquiry in the death of 18-year-old Florida cheerleader Anna Kepner, whose body was discovered aboard the on November 7.
—Robert Alexander, MSNBC Newsweek, 25 Nov. 2025
Set against the backdrop of modern forensic investigation, the series delves beyond the crime scene to explore the psychological complexities of both perpetrators and investigators, creating a multi-layered thriller that examines the toll of pursuing justice at all costs.
—Jackie Strause, HollywoodReporter, 25 Nov. 2025
For now, investigators are racing to find the exact cause of the infections before more babies get sick.
—Brenda Goodman, CNN Money, 25 Nov. 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 30 Nov. 2025.
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