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disloyalty

American  
[dis-loi-uhl-tee] / dɪsˈlɔɪ əl ti /

noun

  • disloyalties
    plural
  1. the quality of being disloyal; lack of loyalty; unfaithfulness.

    Synonyms:
    subversion
  2. violation of allegiance or duty, as to a government.

  3. a disloyal act.


disloyalty British  
/ dɪsˈlɔɪəltɪ /

noun

  1. the condition or an instance of being unfaithful or disloyal

"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

Synonym Usage

Disloyalty, perfidy, treachery, treason imply betrayal of trust. Disloyalty applies to any violation of loyalty, whether to a person, a cause, or one's country, and whether in thought or in deeds: to suspect disloyalty in a friend. Perfidy implies deliberate breaking of faith or of one's pledges and promises, on which others are relying: It is an act of perfidy to cheat innocent people. Treachery implies being secretly traitorous but seeming friendly and loyal: In treachery deceit is added to disloyalty. Treason is performing overt acts to help the enemies of one's country or government: Acting to aid a hostile power is treason.

Other Word Forms

Noun Inflected Forms

Etymology

Origin of disloyalty

1400–50; late Middle English < Middle French desloiaute, Old French desleaute, equivalent to desleal disloyal + -te -ty 2

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 waves of purges aimed at rooting out corruption and disloyalty have pushed many officials to focus on finding ways to please Beijing and avoid punishment.

From The Wall Street Journal ● Jun. 28, 2026

American Jews, exhausted by the nonsensical charge of disloyalty, have bent themselves into impressive contortions to demonstrate their bona fides as unambiguous, undivided, thoroughly unadulterated Americans.

From The Wall Street Journal ● Apr. 13, 2026

The brand disloyalty counterintuitively plays into Ulta, which aims to discover new brands.

From Barron's ● Apr. 9, 2026

It is also possible that some voters will dislike any whiff of disloyalty and division and express themselves accordingly.

From BBC ● Feb. 13, 2026

Again she felt the trickle of disloyalty and guilt, which seemed to be the order of the day, and reacted to it by reaching over to cover Lane’s hand with her own.

From "Franny and Zooey" by J. D. Salinger

Bill Whitman is a Carverian ex-husband pummeled by remorse for his assorted disloyalties.

From Seattle Times ● Feb. 4, 2018

Whitman is a Carverian ex-husband pummeled by remorse for his assorted disloyalties.

From Washington Post ● Jan. 21, 2018

Despite many internal disorders and disloyalties ... the people of the Soviet Union generally trust and respect the wisdom and integrity of their leaders.

From Time Magazine Archive

Under the Imperial University, and still more under the University of the Third Republic, differences became disloyalties.

From France and the Republic A Record of Things Seen and Learned in the French Provinces During the 'Centennial' Year 1889 by William Henry Hurlbert

Besides, the artifices by which friends endeavor to spare one another's feelings are pretty disloyalties.

From Cashel Byron's Profession by Bernard Shaw

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