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Synonyms

private investigator

American  

noun

  • private investigators
    plural
  1. private detective. PI, p.i., P.I.


Other Word Forms

Noun Inflected Forms


Etymology

Origin of private investigator

First recorded in 1935–40


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:

Long in the employ of the Park family, Rapp presents himself as a private investigator, and he may well be.

From The Wall Street Journal ● Oct. 20, 2026

Following the burglary, Paul has joined forces with Compare the Market, which commissioned a licensed private investigator to examine the publicly available digital footprints of nine volunteers.

From BBC ● Sep. 27, 2026

George Pelecanos’s most recent novel starring Derek Strange, a black cop turned private investigator in Washington, D.C., came out in 2012.

From The Wall Street Journal ● Aug. 19, 2026

"When I was growing up, I dreamed about becoming a private investigator," she said.

From Science Daily ● Jul. 16, 2026

He hired a private investigator to dig into their personal lives.

From "The Parker Inheritance" by Varian Johnson

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