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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.

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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

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

Department of State for using a private investigator license to make artwork and that the images on screen are taken from her case file.

From Los Angeles Times Jul. 7, 2026

The general put him in touch with a private investigator named Peter Kalitka, who’d done contract work for both the DIA and the CIA.

From "Into the Wild" by Jon Krakauer

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