private investigator

noun

: a person not a member of a police force who is licensed to do detective work (such as investigation of suspected wrongdoing or searching for missing persons)

Examples of private investigator in a Sentence

She hired a private investigator to follow her husband. the retired policeman decided to become a private investigator
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Kate was also allegedly targeted by a private investigator on behalf of a Mail journalist, the lawyers said. Michael Holden, USA Today, 2 Oct. 2025 Based on the book by Slow Horses scribe Mick Herron, in Down Cemetery Road, when a house explodes in a quiet Oxford suburb and a girl disappears in the aftermath, neighbor Sarah Trafford (Wilson) becomes obsessed with finding her and enlists the help of private investigator Zoë Boehm (Thompson). Denise Petski, Deadline, 29 Sep. 2025 The network has given a series order to RJ Decker (a working title), starring Scott Speedman as a South Florida private investigator. Rick Porter, HollywoodReporter, 29 Sep. 2025 And so is Marty, who turns out to be Don’s private investigator. Amanda Whiting, Vulture, 24 Sep. 2025 See All Example Sentences for private investigator

Word History

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of private investigator was in 1940

Browse Nearby Words

Cite this Entry

“Private investigator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/private%20investigator. Accessed 6 Oct. 2025.

Kids Definition

private investigator

noun
: a person who does detective work and is not a member of a police force

Legal Definition

private investigator

noun
: a person not a member of a police force who is licensed to do detective work (as investigation of suspected wrongdoing or searching for missing persons)
Last Updated: - Updated example sentences
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