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Synonyms

private detective

American  

noun

  1. a detective who is not a member of an official force but is employed by private parties.


private detective British  

noun

  1. Also called: private investigator.  an individual privately employed to investigate a crime, keep watch on a suspected person, or make other inquiries

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of private detective

First recorded in 1865–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Confidential,’” says Chhiu of the stunts in “Spider-Noir,” which follows Cage as a hardened private detective confronting the criminal underbelly of 1930s New York.

From Los Angeles Times Aug. 5, 2026

A private detective, Auguste Bell, arrives to solve the crime.

From The Wall Street Journal Dec. 12, 2025

Marten's family also hired a private detective to find her.

From BBC Jul. 14, 2025

A private detective finally found Madrigal living in Las Vegas with her oldest son, Oren, who didn’t learn about his mother’s tragic, historic past until answering the researcher’s call.

From Los Angeles Times Dec. 2, 2024

She would have to hire a detective, a very private detective, who had not been associated with her in her practice or in the courts.

From "The Westing Game" by Ellen Raskin

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