informant
noun
in·for·mant
in-ˈfȯr-mənt 
: a person who gives information: such as
a
: informer
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
Lazzaro argued in court the mall victim was the aggressor and had taunted Hernandez over his history as a government informant, saying his reputation as a snitch would put him in grave danger back in prison.
—
Colin Mixson, New York Daily News, 7 Jan. 2026
In the season 1 finale, it was revealed that Roman was an undercover FBI informant, which might have been the reason for his vanishing.
—Christopher Rudolph, PEOPLE, 7 Jan. 2026
Another photo from Espinoza Martinez’s phone of a different gun, which prosecutors allege the defendant was offering for sale to the informant, also could come in, the judge ruled.
—Jason Meisner, Chicago Tribune, 7 Jan. 2026
The informant’s account was consistent with the special agent’s information that Fluker was a campus supervisor at Winnetonka High School in Kansas City’s Northland.
—Kansas City Star, 7 Jan. 2026
See All Example Sentences for informant
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Cite this Entry
“Informant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/informant. Accessed 13 Jan. 2026.
Kids Definition
informant
noun
in·for·mant
in-ˈfȯr-mənt
: informer
Legal Definition
informant
noun
in·for·mant
in-ˈfȯr-mənt
: 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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