9 Grammatical Pitfalls


[in-fawr-mer] /ɪnˈfɔr mər/
a person who informs against another, especially for money or other reward.
a person who informs or communicates information or news; informant.
Origin of informer
1350-1400; Middle English; see inform1, -er1
Can be confused
informant, informer. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for informer
  • Then she stole out after him, and concealed herself in the place where the informer directed her.
  • But this the informer did not expect would be his fate.
  • After the filming was over, they asked me to cooperate with them as an informer.
  • Other members of the ring had murdered and dismembered a government informer.
  • But, last year, four of his friends admitted that they had killed him because they suspected he was an informer.
  • The sinful informer sells, for money or sufficient advantage, that which he knows to be right.
  • There are also many informer recruits and trainees who report to intelligence units but are not counted as employees or officers.
  • Narcotics police, who use corruption to get high, invented an informer to get a search warrant.
  • The eavesdropper, the spy and the informer have become a fact of life.
British Dictionary definitions for informer


a person who informs against someone, esp a criminal
a person who provides information: he was the President's financial informer
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
Cite This Source
Word Origin and History for informer

late 14c., enfourmer "instructor, teacher," native agent noun from inform and also from Old French enformeor. Meaning "one who gives information against another" (especially in reference to law-breaking) is c.1500.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for informer

Most English speakers likely know this word

Word Value for informer

Scrabble Words With Friends

Quotes with informer