American Heritage Dictionary
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Century Dictionary
GNU Webster's 1913
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WordNet
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Elsewhere on the web
And on Mr. Hitchings goes, until Hemingway borrows cojones from Spanish and the British borrow nark from the Gypsies to describe someone who finks to the police.— New York Sun - All Articles
But there is another side of him that everybody sees on a regular basis, where he is a real nark to refs.
We could understand how such a tidal wave could nark off the prim April O'Neil, but quite how water damages a turtle is beyond us.— Computer And Video Games
The nark-alarms in stations and colleges consciously echo the awareness campaigns of the second world war, when similar posters urged the public to look out for fellows with bratwurst in their sandwich boxes.— Politics news, UK and world political comment and analysis | guardian.co.uk
I just hope he dosen't pick a fight with his 6foot 2inch cellmate and get beaten to death like what happens when you dont rat on yourself and the put an undercover nark in his cell.— Infowars

American Heritage Dictionary (1)
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