investigator

noun
in·​ves·​ti·​ga·​tor | \ in-ˈve-stə-ˌgā-tər How to pronounce investigator (audio) \
plural investigators

Definition of investigator

: 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.

Synonyms for investigator

Synonyms

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First Known Use of investigator

1538, in the meaning defined above

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Time Traveler for investigator

Time Traveler

The first known use of investigator was in 1538

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Dictionary Entries Near investigator

investigational

investigator

invest in

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Statistics for investigator

Cite this Entry

“Investigator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/investigator. Accessed 20 May. 2022.

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More from Merriam-Webster on investigator

Nglish: Translation of investigator for Spanish Speakers

Britannica English: Translation of investigator for Arabic Speakers

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