informant

noun

in·​for·​mant in-ˈfȯr-mənt How to pronounce informant (audio)
Synonyms of informantnext
: a person who gives information: such as
a
b
: one who supplies cultural or linguistic data in response to interrogation by an investigator

Examples of informant in a Sentence

The police were alerted to the plot by a paid informant. We learned the language with the help of a native informant.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Sandweg said one of the director's most underappreciated responsibilities is managing that internal fault line, ensuring that ERO's highly visible arrest operations do not undermine HSI's ability to cultivate the confidential informants and foreign partnerships on which its work depends. Philip Wang, Time, 18 May 2026 The fabrication only came out when the informant pleaded guilty to obstruction of justice at his own sentencing hearing. Lars Daniel, Forbes.com, 14 May 2026 Lea Garofalo Lea Garofalo was an Italian civilian informant whose break with the ’Ndrangheta ended in her murder. Encyclopedia Britannica, 13 May 2026 Tim Nicholls allegedly confessed the murder plot to another prisoner while awaiting trial, and that man then became an informant and a key witness for the prosecution. Shelly Bradbury, Denver Post, 13 May 2026 See All Example Sentences for informant

Word History

First Known Use

1641, in the meaning defined above

Time Traveler
The first known use of informant was in 1641

Cite this Entry

“Informant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/informant. Accessed 20 May. 2026.

Kids Definition

informant

noun
in·​for·​mant in-ˈfȯr-mənt How to pronounce informant (audio)

Legal Definition

informant

noun
in·​for·​mant in-ˈfȯr-mənt How to pronounce informant (audio)
: one who informs against another
specifically : one who makes a practice especially for money of informing police of others' criminal activities

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