Definition of Judas noun from the Oxford Advanced American Dictionary

 

Judas

 noun
noun
NAmE//ˈdʒudəs//
 
 
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a person who treats a friend badly by not being loyal From Judas in the Bible, the follower of Jesus who told the authorities where to find him and arrest him in return for payment. synonym traitor
See the Oxford Advanced Learner's Dictionary entry: Judas