English version

nark

From Longman Dictionary of Contemporary English
Related topics: Crime, Police
narknark /nɑːk $ nɑːrk/ noun [countable] informal especially British English 🔊 🔊 SCCSCPsomeone who is friendly with criminals and who secretly tells the police about their activities syn informer
Examples from the Corpus
narkI know if he is a thief, right, a beggar, a pimp, a copper's nark.
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