The definition of Judas is a term used for someone who betrays you while pretending to be your friend.
(noun)An example of a Judas is the apostle who betrayed Jesus in the Bible.
See Judas in Webster's New World College Dictionary
noun
Origin: ME < LL(Ec) < Gr(Ec) Ioudas < Heb yehūdhāh, Judah
See Judas in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English
Origin: , from Late Latin Iūdas, Judas Iscariot
Origin: , from Greek Ioudas
Origin: , from Hebrew yəhûdâ, Judah
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