Definitions of informer

n one who reveals confidential information in return for money

betrayer, blabber, rat, squealer
canary, fink, sneak, sneaker, snitch, snitcher, stool pigeon, stoolie, stoolpigeon
someone acting as an informer or decoy for the police
copper's nark, nark
an informer or spy working for the police
grass, supergrass
a police informer who implicates many people
Type of:
informant, source
a person who supplies information

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, can put you on the path to systematic vocabulary improvement.