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  • Judas
    Judas
    noun
    the disciple who betrayed Jesus in the New Testament.
  • judas
    judas
    noun
    (sometimes capital) a peephole or a very small window in a door
Synonyms

Judas

American  
[joo-duhs] / ˈdʒu dəs /

noun

  • Judases
    plural
  1. Also called Judas Iscariot. the disciple who betrayed Jesus in the New Testament.

  2. a person treacherous enough to betray a friend; traitor.

  3. Also called Saint Judas, Saint Jude. one of the 12 apostles of Jesus (not Judas Iscariot).

  4. (in the Bible) a brother of James (and possibly of Jesus).

  5. Also called judas hole. Usually judas a peephole, as in an entrance door or the door of a prison cell.


adjective

  1. (of an animal) used as a decoy to lead other animals to slaughter.

    A Judas goat led sheep into the abattoir.

Judas 1 British  
/ ˈdʒuːdəs /

noun

  1. Full name: Judas Iscariot. New Testament the apostle who betrayed Jesus to his enemies for 30 pieces of silver (Luke 22:3–6, 47–48)

  2. a person who betrays a friend; traitor

  3. a brother or relative of James and also of Jesus (Matthew 13:55). This figure, Thaddaeus, and Jude were probably identical

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. denoting an animal or bird used to lure others of its kind or lead them to slaughter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
judas 2 British  
/ ˈdʒuːdəs /

noun

  1. Also called: judas window, judas hole. (sometimes capital) a peephole or a very small window in a door

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns


Etymology

Origin of judas

C19: after Judas Iscariot


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The cult star promised covers of metal staples like Black Sabbath, Iron Maiden and Judas Priest, as well as "a few originals forged in the same cosmic fire."

From Barron's ● Feb. 20, 2026

In 2 Maccabees, Judas Maccabeus offers prayers for the dead—meaningful only if the soul can be aided after death—but Protestants typically consider the book extracanonical.

From The Wall Street Journal ● Nov. 6, 2025

Heavy metal band Judas Priest have released a charity single featuring the late Ozzy Osbourne to raise money for Parkinson's disease charities.

From BBC ● Sep. 27, 2025

The casting was headline-making: Erivo, fresh off “Wicked,” as Jesus, and Adam Lambert as Judas.

From Los Angeles Times ● Aug. 25, 2025

She has spent part of the night in her kitchen, praying before a tall candle adorned with the image of San Judas Tadeo.

From "Enrique's Journey" by Sonia Nazario

Anon a tiny judas in the gate was cautiously pushed open, and a peremptory voice once again challenged the midnight intruder.

From El Dorado, an adventure of the Scarlet Pimpernel by Emmuska Orczy, Baroness Orczy

It had penetrated his dull wits that he had been the tool of a judas, who sought to sell the castle for a thousand florins.

From Love-at-Arms by Rafael Sabatini

There were stealthy steps within, with a movement of yellow light, and then a voice that Mr. Wogan knew very well came through a judas.

From Parson Kelly by Andrew Lang

Soon he heard a soft grating behind the judas, and he felt—more than he saw—that a pair of eyes were peering at him from within.

From The Laughing Cavalier The Story of the Ancestor of the Scarlet Pimpernel by Emmuska Orczy, Baroness Orczy

Then a slide would slyly uncover a little brass "judas," disclosing a little, black, hard eye.

From Mlle. Fouchette A Novel of French Life by Charles Theodore Murray

Along the way, he encounters revolutionaries, tyrants, false prophets and actual Judases — not to mention a string of passionate lovers.

From New York Times ● Mar. 6, 2023

Several productions have featured female Judases — an added layer of psychological complexity.

From Washington Post ● Mar. 30, 2018

These were promptly denounced as turncoats and Judases by Peasant Leader Maniu but remained silent on their dignity.

From Time Magazine Archive

To their honor be it said that few Judases have been found among them at the ballot-box, or in the halls of legislation.

From The Arena Volume 4, No. 21, August, 1891 by Various

Honor the Judases, the Benedict Arnolds of the working class?

From The Red Conspiracy by Joseph J. Mereto

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