from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One who betrays another under the guise of friendship.
  • n. A one-way peephole in a door.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. One of the twelve original Apostles of Jesus, known for his role in Jesus' betrayal into the hands of Roman authorities. Also called Judas Iscariot.
  • proper n. A male given name.
  • n. A traitor, a person not to be trusted.
  • n. A small hole in a door through which a person can look without being seen from the other side; used especially in prisons; a judas-hole

from the GNU version of the Collaborative International Dictionary of English

  • n. The disciple who betrayed Christ.

from The Century Dictionary and Cyclopedia

  • n. A treacherous person; one who betrays under the semblance of friendship.
  • n. [lowercase] In some old houses, a lattice with small openings in a door, through which those inside could look without, being seen: designed to prevent the admission of objectionable persons.
  • n. Hence In a prison, a small opening in the door or wall of a cell to enable the guards to watch the prisoners; a judas-hole.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. someone who betrays under the guise of friendship
  • n. (New Testament) the Apostle who betrayed Jesus to his enemies for 30 pieces of silver
  • n. a one-way peephole in a door
  • n. (New Testament) supposed brother of St. James; one of the Apostles who is invoked in prayer when a situation seems hopeless


Middle English, from Late Latin Iūdas, Judas Iscariot, from Greek Ioudas, from Hebrew yəhûdâ, Judah.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek Ἰούδας (Ioudas), from Hebrew יהודה. (Wiktionary)



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