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.
At Cummins, an inmate informant told him there were as many as 200 skeletons buried not far from the barracks. Arkansas Online, 27 Dec. 2025 Record-keeping processes have been improved on the use of informants to, among other things, make sure defense attorneys get the proper discovery. Tony Saavedra, Oc Register, 24 Dec. 2025 He is charged with a handful of felonies and is facing up to life if found guilty of tampering or harassing a witness, victim or informant, according to the affidavit. Sofia Saric, Miami Herald, 23 Dec. 2025 His administration also returned key MS-13 drug gang informants to El Salvador. Brian Mann, NPR, 15 Dec. 2025 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 4 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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