informer

noun

in·​form·​er in-ˈfȯr-mər How to pronounce informer (audio)
1
: one that imparts knowledge or news
2
: one that informs against another
specifically : one who makes a practice especially for a financial reward of informing against others for violations of penal laws

Examples of informer in a Sentence

the informer who told the police about that conspiracy has angered a lot of dangerous people
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 Nazis set up secret squads in the camps to conduct beatings and killings of prisoners thought to be too friendly with U.S. officials or were accused of being informers. Peter Lucas, Boston Herald, 10 July 2025 Reporting from human intelligence assets – spies or unwitting informers with firsthand or secondhand knowledge – may provide information on internal Iranian assessments. Joshua Rovner, The Conversation, 2 July 2025 The court can instruct the jury to view with caution the testimony of, say, an informer or a drug addict. Daniel Arkin, NBC news, 10 June 2025 Singh says that the Kashmir policy of India's Hindu nationalist government has alienated residents of Kashmir, and cost the Indian army its vital network of local informers. Omkar Khandekar, NPR, 23 Apr. 2025 See All Example Sentences for informer

Word History

First Known Use

circa 1504, in the meaning defined at sense 2

Time Traveler
The first known use of informer was circa 1504

Browse Nearby Words

Cite this Entry

“Informer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/informer. Accessed 19 Jul. 2025.

Kids Definition

informer

noun
in·​form·​er in-ˈfȯr-mər How to pronounce informer (audio)
: someone who informs
especially : a person who informs against someone else

Legal Definition

informer

noun
in·​form·​er

More from Merriam-Webster on informer

Last Updated: - Updated example sentences
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