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 informant told police that’s where the hitman was handed an envelope of cash. Faith Karimi, CNN Money, 8 Aug. 2026 The task force is reportedly staffing up with officers who specialize in recruiting informants, intelligence analysis, cyber operations and covert influence campaigns. Nora Gámez Torres, Miami Herald, 6 Aug. 2026 His character was later revealed to be an FBI informant before being killed off during the show's second season. ABC News, 2 Aug. 2026 Big Pussy was seminal to the show’s lore as Tony’s longtime best friend and trusted mob enforcer; his betrayal in becoming an FBI informant led to his murder and became one of the show’s most memorable scenes early in the show’s run. Senior Television, Los Angeles Times, 1 Aug. 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 Aug. 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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