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
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
Over the past eight decades, the CCP has constructed a vast network of millions of informers and spies whose often unpaid work has been critical to the regime’s survival.
—
Minxin Pei,
Foreign Affairs,
6 Feb. 2024
See All Example Sentences for informer
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
Over the past eight decades, the CCP has constructed a vast network of millions of informers and spies whose often unpaid work has been critical to the regime’s survival.
—
Minxin Pei,
Foreign Affairs,
6 Feb. 2024
See All Example Sentences for informer
Recent Examples of Synonyms for informer
informant
Noun
-
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.
-
Babeuf was betrayed by an informant, put on trial in 1797, and eventually acquitted of conspiracy, but he was executed for committing his ideas about inequality to print.
Cite this Entry
“Informer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/informer. Accessed 6 Jul. 2026.
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