investigator

noun

in·​ves·​ti·​ga·​tor in-ˈve-stə-ˌgā-tər How to pronounce investigator (audio)
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
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.

Examples of investigator in a Sentence

Recent Examples on the Web While Megan Kingsbury was spreading the word about Maddi Kingsbury's disappearance, investigators were reading text messages, reviewing surveillance footage, interviewing family and friends and monitoring tips. Jordan Kinsey, CBS News, 12 Apr. 2024 There, prosecutors successfully argued that Anderson stay in custody for another 72 hours as investigators gathered more blood evidence in anticipation of criminal charges. Elliot Hughes, Journal Sentinel, 12 Apr. 2024 The Corvette and Lamborghini were speeding in the far left lane of the highway when both drivers lost control and Rice veered onto the shoulder and hit the median wall, investigators have said. Nicole Lopez, Fort Worth Star-Telegram, 12 Apr. 2024 To this day, investigators have not found the child's body. The Indianapolis Star, 11 Apr. 2024 Simpson was charged with the murders when investigators found a glove with blood stains on the athlete's property. Wesley Stenzel, EW.com, 11 Apr. 2024 The vehicle was found a few miles away, burned with the help of what investigators believe was a special accelerant. José Bautista, New York Times, 31 Mar. 2024 State investigators only learned about that patient while investigating the 28-year-old woman’s death. Emily Alpert Reyes, Los Angeles Times, 31 Mar. 2024 Weather conditions at the time of the crash and the pilot’s experience will be several factors reviewed by National Transportation Safety Board investigators, who were expected to arrive at the crash site Sunday. Daniel Hunt, Sacramento Bee, 31 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'investigator.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1538, in the meaning defined above

Time Traveler
The first known use of investigator was in 1538

Dictionary Entries Near investigator

Cite this Entry

“Investigator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/investigator. Accessed 25 Apr. 2024.

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