What is another word for nark?
Pronunciation: [nˈɑːk] (IPA) 
The word "nark" is often used as slang to describe someone who informs on others. Some common synonyms for "nark" include informant, snitch, whistleblower, betrayer, fink, and rat. These words all imply an act of betrayal, and as such, are often considered derogatory. Other synonyms for "nark" that carry a less negative connotation include investigator, detective, and sleuth. These words refer to someone who gathers information for a specific purpose, such as solving a crime. While still similar in meaning to "nark," they are often seen as more respectable and admirable professions.
