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.
Cook led the investigation into the unsolved murder of private investigator Daniel Morgan, which is also told via The Hack. Max Goldbart, Deadline, 4 Aug. 2025 Public records show Shane Devon Tamura was issued a work card by the Private Investigators Licensing Board in Nevada, which regulates security guards and private investigators in the state. Karissa Waddick, USA Today, 29 July 2025 Harry has been a regular in British courts in recent years, challenging both his security arrangements and tabloid newspaper publishers for allegedly hacking phones and using private investigators to snoop on his life for news stories. Astha Rajvanshi, NBC news, 14 July 2025 Police and a private investigator hired by the family found surveillance video showing Tarrence leaving the couple’s Airbnb in Grace Bay around 3:40 a.m. headed toward the island’s downtown area. David Matthews, New York Daily News, 7 July 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 21 Aug. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!