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 Tesla had been at the impound lot for two days after being found abandoned on a Hollywood street, investigators said.
—Alex Stone, ABC News, 10 Sep. 2025
The vast, sprawling Conjuring franchise, which began back in 2013, has spawned a complex web of sequels, prequels and spin-offs, some of which are loosely based on cases covered by paranormal investigators Ed and Lorraine Warren.
—Dani Di Placido, Forbes.com, 10 Sep. 2025
While Tuesday’s report covers the experiences of more than 350 women who came forward to speak to the investigators, Danish authorities say more than 4,000 women and girls — reportedly half the fertile women in Greenland at the time — received IUDs between the 1960s and mid-1970s.
—Nick Lichtenberg, Fortune, 9 Sep. 2025
Ferguson said investigators may bring other charges against Brown, including potential hate crime charges.
—Charlotte Observer, 9 Sep. 2025
See All Example Sentences for investigator
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Alex Stone, ABC News, 10 Sep. 2025
The vast, sprawling Conjuring franchise, which began back in 2013, has spawned a complex web of sequels, prequels and spin-offs, some of which are loosely based on cases covered by paranormal investigators Ed and Lorraine Warren.
—Dani Di Placido, Forbes.com, 10 Sep. 2025
While Tuesday’s report covers the experiences of more than 350 women who came forward to speak to the investigators, Danish authorities say more than 4,000 women and girls — reportedly half the fertile women in Greenland at the time — received IUDs between the 1960s and mid-1970s.
—Nick Lichtenberg, Fortune, 9 Sep. 2025
Ferguson said investigators may bring other charges against Brown, including potential hate crime charges.
—Charlotte Observer, 9 Sep. 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 16 Sep. 2025.
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