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Synonyms

private investigator

American  

noun

  1. private detective. PI, p.i., P.I.


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.

Wright also strongly denied allegations he met private investigator Jonathan Rees and corrupt police officers in Thornton Heath pubs to pay them for information for stories.

From BBC • Feb. 17, 2026

The Advocates have since ceased operations, but co-founder and private investigator, Cynthia Liles, is still running the hotline under the name 2x2 Church Accountability.

From BBC • Feb. 15, 2026

Hartley said the internal inquiry was mainly relying on the spreadsheets of payments to Whittamore - which might have been inaccurate - not the notes of the private investigator himself.

From BBC • Feb. 12, 2026

In 1986, Don Winslow was a 33-year-old New York-born, world-traveling private investigator who, during stakeouts, read crime fiction by authors such as Elmore Leonard, James Ellroy and Joseph Wambaugh.

From The Wall Street Journal • Feb. 6, 2026

White learned of the statement that private investigator No. 28 had obtained from the Kaw Indian woman, in which Rose had confessed to being the murderer.

From "Killers of the Flower Moon" by David Grann