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disloyalty

noun

dis·​loy·​al·​ty (ˌ)dis-ˈlȯi(-ə)l-tē How to pronounce disloyalty (audio)
: lack of loyalty

Examples of disloyalty in a Sentence

His disloyalty to the company led to his dismissal. She had no tolerance for disloyalty among those under her command.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Even after Trump’s November 2024 win, Duncan still called himself a Republican, despite the Georgia Republican Party expelling him in January for disloyalty. Taylor Millard, The Washington Examiner, 31 Oct. 2025 That shift—from policy disagreement to accusations of disloyalty—is not accidental. Faisal Kutty, MSNBC Newsweek, 29 Oct. 2025 Continue reading … 'DISAPPOINTED' – Biden's son slams Harris memoir for disloyalty to father's administration. FOXNews.com, 23 Oct. 2025 In a new book, Independent: A Look Inside a Broken White House, Outside the Party Lines, published Oct. 21, Jean-Pierre says that the party's internal dysfunction and disloyalty had helped pave the way for its 2024 defeat. Michel Martin, NPR, 21 Oct. 2025 See All Example Sentences for disloyalty

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of disloyalty was in the 15th century

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Cite this Entry

“Disloyalty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disloyalty. Accessed 4 Dec. 2025.

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