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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:

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

One of those paid, the private investigator Gavin Burrows, seemed to have entered two statements.

From BBC ● Jul. 8, 2026

Fenton Hardy, Frank and Joe’s dad, was a private investigator who used to work with the local Bayport police force.

From "Hopping Mad (The Hardy Boys: Secret Files, #4)" by Franklin W. Dixon

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