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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.

Private investigator Thomas McNally sees no link between the disappearance of Melissa Casias and some 10 other missing or deceased scientists.

From The Wall Street Journal • Apr. 25, 2026

Private investigator Ted McDonough, who knew Geas, told The Boston Globe: "Freddy hated rats."

From Fox News • Oct. 31, 2018

Private investigator Garth Bruen can't reliably determine who owns and operates disturbing Web sites because of the cloak of anonymity enjoyed by many businesses online.

From Washington Post • Dec. 6, 2013

Private investigator Salgado-Reyes says he believes most in the business are honest.

From Reuters • Jul. 20, 2011

Private investigator Glenn Mulcaire, working for the News of the World, allegedly hacked the phone of murdered girl Milly Dowler when she was missing.

From BBC • Jul. 5, 2011

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