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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.

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

From BBC • Jul. 8, 2026

“When I applied to become a private investigator, I had assumed that there would be a little bit more back-and-forth,” she told me.

From Los Angeles Times • Jul. 7, 2026

The live-action series is based on the Marvel comic Spider-Man Noir, telling the story of Ben Reilly - a hardened private investigator in 1930s New York, played by Nicolas Cage.

From BBC • May 27, 2026

The ultraviolent 1991 film was directed by her former husband Renny Harlin and co-starred Samuel L. Jackson as a lowly private investigator.

From Los Angeles Times • May 13, 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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