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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.

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

In tears, she said it was "deeply hurtful" to read the statement of a private investigator who allegedly admitted, in her words to the court on Thursday, "bugging and listening to all my conversations."

From BBC • Jan. 22, 2026

He could have gotten Nazario to hire the best private investigator in the city and traced her all the way to Florida.

From "Bodega Dreams" by Ernesto Quinonez