as in informant
a person who provides information about another's wrongdoing
the informer who told the police about that conspiracy has angered a lot of dangerous people
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Example Sentences
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Recent Examples of informer
Option 2: If one prisoner informs while the other stays silent, the informer will go free while the silent one receives the harshest sentence.
—
Michael Ashley, Forbes.com, 29 July 2025
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
See All Example Sentences for informer
Michael Ashley, Forbes.com, 29 July 2025
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
See All Example Sentences for informer
Recent Examples of Synonyms for informer
informant
Noun
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Federal prosecutors in Alabama secured an 11-count indictment accusing the organization of paying millions of dollars to some of those undercover informants and hiding the real purpose of the payments from its donors.—
Josh Meyer,
USA Today,
25 Apr. 2026
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As Ballmer sees it, Sanberg agreed to cooperate in exchange for the league submitting a favorable sentencing letter to Judge Wilson, and thus he shouldn’t be regarded as a credible informant.—
Michael McCann,
Sportico.com,
24 Apr. 2026
Cite this Entry
“Informer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/informer. Accessed 2 May. 2026.
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