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.
Women were central — as planners, fighters, informants, protectors, logisticians, and spiritual anchors. Ed Gaskin, Boston Herald, 8 Mar. 2026 Takeshi Ebisawa poses with a rocket launcher during a meeting with an informant and two undercover Danish police officers at a warehouse in Copenhagen, Denmark February 3, 2021, in a photograph from a Drug Enforcement Administration (DEA) criminal complaint. CBS News, 4 Mar. 2026 Jailhouse informant pointed to Puckett The events that led to his death began the evening of March 12, 1998 — not March 13, as originally presented at trial. Theresa Clift, Sacbee.com, 4 Mar. 2026 Jurors have heard testimony from a confidential informant who set up Merchant with the undercover agents, as well as the agents themselves, and have seen video of Merchant and the confidential informant, Nadeem Ali, discussing the plot in a Queens hotel room. John Annese, New York Daily News, 4 Mar. 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 12 Mar. 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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