A master criminal or most notorious thief; someone who robs on an extraordinary or grand scale.
From 'arch-' (chief, master) + 'robber' (from Old French 'rober,' possibly from Germanic roots). Medieval and early modern texts used this to describe legendary outlaws and highwaymen.
Robin Hood would be the archrobber of English legend—so famous for stealing that his name becomes synonymous with all robbers. The term reveals how societies mythologize their greatest outlaws, making them almost folk heroes.
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