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
While that is the standard that would be considered in a civil case, local investigators are also looking into whether any state laws were violated.
—Andy Rose, CNN Money, 7 Feb. 2026
In court Friday, the judge agreed to allow Parente to release surveillance camera footage compiled by investigators in an attempt to prove Martinez was part of a larger coalition of resistors who were attempting to impede immigration agents during Midway Blitz.
—Jason Meisner, Chicago Tribune, 6 Feb. 2026
While investigators continue to evaluate the validity of the notes, some Americans may wonder if the Bitcoin address would be enough to find the culprit or at least narrow the search for the kidnapper.
—Jane Onyanga-Omara, USA Today, 6 Feb. 2026
The three investigators have such great chemistry.
—Georg Szalai, HollywoodReporter, 6 Feb. 2026
See All Example Sentences for investigator
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Andy Rose, CNN Money, 7 Feb. 2026
In court Friday, the judge agreed to allow Parente to release surveillance camera footage compiled by investigators in an attempt to prove Martinez was part of a larger coalition of resistors who were attempting to impede immigration agents during Midway Blitz.
—Jason Meisner, Chicago Tribune, 6 Feb. 2026
While investigators continue to evaluate the validity of the notes, some Americans may wonder if the Bitcoin address would be enough to find the culprit or at least narrow the search for the kidnapper.
—Jane Onyanga-Omara, USA Today, 6 Feb. 2026
The three investigators have such great chemistry.
—Georg Szalai, HollywoodReporter, 6 Feb. 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 8 Feb. 2026.
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