1 investigator | Definition of investigator

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

experimenter, researcher

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First Known Use of investigator

1552, in the meaning defined above

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