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.
Information for the charges came from multiple sources, including citizen informants, who had observed Wolff hunting on their property, observations made by wardens while on patrol, and surveillance. David Zeug, Outdoor Life, 3 Sep. 2026 Of course, the agency must protect confidential information, including the identities of informants, but the path of its decision-making should be made clear. Charity Ryerson, Footwear News, 1 Sep. 2026 The April indictment accused the organization of secretly funneling millions of dollars in donor funds to informants embedded in violent extremist movements, using bank accounts opened for fictitious companies. Arie Perliger, The Conversation, 31 Aug. 2026 This included expert witnesses who said the child’s death was an accidental drowning brought on by a seizure and a jailhouse informant who recanted his trial testimony that Duncan had confessed to the crime. Richard A. Webster, ProPublica, 31 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 7 Sep. 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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