informant

noun

in·​for·​mant in-ˈfȯr-mənt How to pronounce informant (audio)
: 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.
The defendants suggested one of the informants is either someone in current House Speaker Cameron Sexton's office – or is the speaker himself. Rosalind Bowling, The Tennessean, 2 July 2025 Encouragingly, this discernment may translate to digital informants like computers too. Evan Orticio, Scientific American, 2 June 2025 The series is based on Patrick Radden Keefe’s 2018 book Say Nothing: A True Story of Murder and Memory in Northern Ireland, which told the story of the abduction and murder of Jean McConville, a mother of 10 who was wrongly accused by the IRA of being a British Army informant. Nellie Andreeva, Deadline, 30 May 2025 The nonprofit’s founder is Edward Clancy, a former political consultant who also served more than a decade ago as an informant for the FBI. Jeff McDonald, Mercury News, 23 May 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 19 Jul. 2025.

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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