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[in-fawr-muh nt] /ɪnˈfɔr mənt/
a person who informs or gives information; informer.
a person who supplies social or cultural data in answer to the questions of an investigator.
Linguistics. a native speaker of a language who supplies utterances and forms for one analyzing or learning the language.
Origin of informant
1655-65; < Latin infōrmant- (stem of infōrmāns) present participle of infōrmāre. See inform1, -ant
Can be confused
informant, informer.
1. source, adviser, tipster. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for informant
Contemporary Examples
Historical Examples
  • She said this calmly and quietly, as though to impress her informant and reassure him.

    Dust Mr. and Mrs. Haldeman-Julius
  • But how would he know this; surely you would not become the informant?

  • The informant has always met with misfortune, accident—whatever you like to call it.

    The Night Riders Ridgwell Cullum
  • It only hopes that your Holiness will require your informant to do so.

    The Eternal City Hall Caine
  • Accordingly the ephors questioned their informant: "How say you the occurrence is to take place?"

    Hellenica Xenophon
British Dictionary definitions for informant


a person who gives information about a thing, a subject being studied, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for informant

1660s, "someone or something that supplies information," from Latin informantem (nominative informans), present participle of informare (see inform). Meaning "one who gives information to the authorities, informer" is from 1783. As an adjective from 1890. The older noun was informer.

Online Etymology Dictionary, © 2010 Douglas Harper
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