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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:

Though Derek makes his living as a private investigator, he’s still loyal to the policeman’s vow to protect and to serve.

From The Wall Street Journal ● Aug. 19, 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

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

“I even hired some local private investigator to find her, but no luck.”

From "The Wrong Way Home" by Kate O’Shaughnessy

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