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.
He was accused of sending Snapchat messages to his brother and a friend who turned out to be a longtime government informant. CBS News, 27 Jan. 2026 White newspaper editors were routinely imprisoned or forced to become police informants. Eve Fairbanks, The Dial, 27 Jan. 2026 Prosecution failures At the center of the misconduct in the Smith case was the prosecution team’s failure to disclose the use of jailhouse informants Jeffrey Platt and Paul Martin to extract a confession from Smith. Tony Saavedra, Oc Register, 26 Jan. 2026 Hobart Police Detective Wendell Hite wrote that police dropped off a criminal informant outside the mall to buy drugs from Larkin in a black Lincoln in the parking lot. Meredith Colias-Pete, Chicago Tribune, 24 Jan. 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 30 Jan. 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

More from Merriam-Webster on informant

Last Updated: - Updated example sentences
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