reverse search

Comprehensive
Dictionary Suite
Help
Help
Help
 
canary (slang) an informer. [1/3 definitions]
rat (slang) a scoundrel, esp. a betrayer or informer. [1/4 definitions]
stool pigeon (slang) an informer or decoy, esp. for the police. [1/2 definitions]
telltale a person who reveals confidential matters about others; tattler; informer. [1/3 definitions]