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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:

Around December 2022, the crypto platform OKX received a tip from a private investigator about a suspicious wallet hosted on its platform.

From The Wall Street Journal ● Sep. 10, 2026

Join local social-media groups, call board officers directly, or use personal connections to get information before making an offer, said Dave Amis, a private investigator in Austin.

From The Wall Street Journal ● Aug. 27, 2026

Epstein hired a private investigator to trace the missing assistant, Anya says.

From BBC ● Jul. 18, 2026

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

From Science Daily ● Jul. 16, 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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