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Showing results for private investigator. Search instead for expense-help investigation.
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.

David Sherborne, for the claimants, repeatedly questioned the private investigator about the statement on Monday - having been given permission by the judge to treat him as a hostile witness and conduct a cross-examination.

From BBC • Mar. 23, 2026

Griffiths said her behaviour was proof she would "draw a line" between her professional and personal life, claiming she had never used a private investigator or hacked a phone.

From BBC • Mar. 10, 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

After setting up his own company, he was hired an as in-house private investigator for two US news shows.

From BBC • Feb. 3, 2026

Don your detective cap and become your own private investigator!

From "The Science of Breakable Things" by Tae Keller