Definition of shyster noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈʃaɪstə(r)//
; NAmE NAmE//ˈʃaɪstər//
(informal, especially North American English)
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a dishonest person, especially a lawyer Word Originmid 19th cent.: said to be from Scheuster, the name of a lawyer whose behaviour provoked accusations of “scheuster” practices, perhaps reinforced by German Scheisser ‘worthless person’.
See the Oxford Advanced American Dictionary entry: shyster