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.
The Justice Department unveiled this case against it, essentially arguing that SPLC had been defrauding its donors by paying informants within far-right groups who were infiltrating those groups. Hanna Rosin, The Atlantic, 9 July 2026 Earlier this year, a Times investigation revealed ICE deported an informant who had turned against two of his co-defendants in a meth smuggling case. James Queally, Los Angeles Times, 8 July 2026 Luna appeared to reference a long-running conspiracy theory promoted in some right-wing circles that Patriot Front is secretly a federal law enforcement operation or informant network. Rena Rowe, The Washington Examiner, 6 July 2026 Two years ago, an FBI informant met with a South Florida man who expressed his desire to join an anti-government militia and build a bomb targeting a New York City landmark, the FBI said. Jay Weaver, Miami Herald, 3 July 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 14 Jul. 2026.

Kids Definition

Legal Definition

informant

noun
: 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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