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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,.  Also called 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 IscariotNew 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

Adam Lambert was the electric Judas to Erivo’s nuclear Jesus, and the energy they emitted was more than enough to power all of social media for a few days in August.

From Los Angeles Times Dec. 9, 2025

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

But we’ve never seen one like this before: A Judas kiss that went straight to the heart and shattered their deepest convictions.

From Salon Jul. 14, 2025

To a Karhider reading our canons, the crime of Judas lies not in his betrayal of Christ but in the act that, sealing despair, denies the chance of forgiveness, change, life: his suicide.

From "The Left Hand of Darkness" by Ursula K. Le Guin

A quivering voice came at the last from behind the iron judas in the door.

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

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 Murray, Charles Theodore

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 Orczy, Emmuska Orczy, Baroness

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 Sabatini, Rafael

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 Lang, Andrew

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

The Twins and Pablo with their precious Judases went to a bench near the fountain, and sat down to watch the fun.

From The Mexican Twins by Perkins, Lucy Fitch

How I hate them: the mass-bullies, the individual Judases.

From Aaron's Rod by Lawrence, D. H. (David Herbert)

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