Benedict Arnold

noun

A traitor.

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Meanings

nounBenedict Arnold (plural Benedict Arnolds)

plural Benedict Arnolds

  1. USA traitor.

    I am no longer an American; I am a traitor, a Judas, a Benedict Arnold.

    2008, Nick De La Pena, The Contagion, page 299
    3 more examples

    A Negro hotelkeeper in a free city of the North views with disdain a Benedict Arnold in the colored camp who crosses the lines to a "white" hotel.

    1945, William Worthy, Jr., “Non-Fraternization: American Style”, in The Crisis, volume 52, number 11, page 323

    Within a group, Benedict Arnolds attempt to prevent the group from accomplishing its goals

    2009, Charles Zastrow, The Practice of Social Work: A Comprehensive Worktext, page 204

    What if we are already under investigation from someone covertly talking with the cops? What if there is a Benedict Arnold in the group?

    2012, Nicholas Campanella, Traglamoor's Journey

    Synonyms: quisling

Synonyms & antonyms

nounA traitor.

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Also see

Origin

From Benedict Arnold, famous for betraying the Continental Army during the Revolutionary War.

Full word history & related roots →
Cite this entry
APA

Benedict Arnold. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Benedict%20Arnold

MLA

“Benedict Arnold.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Benedict%20Arnold. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Benedict Arnold,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Benedict%20Arnold.

Source: Benedict Arnold on Wiktionary, CC BY-SA 4.0.