informant
noun
in·for·mant
in-ˈfȯr-mənt 
: a person who gives information: such as
a
: informer
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
Additionally, deputies maintained a system to conceal, manage and reward those informants.
—
Tony Saavedra, Oc Register, 29 July 2025
Marino ended up serving as a confidential informant, wearing multiple wires that captured sound and video.
—Lynsey Eidell, People.com, 22 July 2025
The investigation into Spafford began in 2023, when the informant, who is in law enforcement, told authorities Spafford was stockpiling ammunition and weapons.
—Brie Stimson, FOXNews.com, 19 July 2025
Many potential sources are now dead, and one of Gilliland’s key informants, Rosa Roisinblit, was 102 when Gilliland finally managed to interview her.
—Julia M. Klein, The Atlantic, 11 July 2025
See All Example Sentences for informant
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Tony Saavedra, Oc Register, 29 July 2025
Marino ended up serving as a confidential informant, wearing multiple wires that captured sound and video.
—Lynsey Eidell, People.com, 22 July 2025
The investigation into Spafford began in 2023, when the informant, who is in law enforcement, told authorities Spafford was stockpiling ammunition and weapons.
—Brie Stimson, FOXNews.com, 19 July 2025
Many potential sources are now dead, and one of Gilliland’s key informants, Rosa Roisinblit, was 102 when Gilliland finally managed to interview her.
—Julia M. Klein, The Atlantic, 11 July 2025
See All Example Sentences for informant
Cite this Entry
“Informant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/informant. Accessed 20 Aug. 2025.
Copy CitationKids Definition
informant
noun
in·for·mant
in-ˈfȯr-mənt
: informer
Legal Definition
informant
noun
in·for·mant
in-ˈfȯr-mənt
: 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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