Synonyms of informer in English:

informer


See US English definition of informer

See UK English definition of informer

See Spanish definition of informante

noun

1‘the police had a good network of informers’

SYNONYMS
informant
betrayer, traitor, Judas, collaborator, double-crosser, fifth columnist, double agent, spy, infiltrator, plant, turncoat
North American tattletale
informal rat, squealer, stool pigeon, stoolie, telltale, tale teller, whistle-blower, snake in the grass, canary, snitch, peacher
British informal grass, supergrass, nark, snout, nose
Scottish informal clype
Scottish, Northern Irish informal tout
North American informal fink
Australian, New Zealand informal fizgig, pimp, shelf
archaic intelligencer, beagle