unprincipled

adjective

un·​prin·​ci·​pled ˌən-ˈprin(t)-s(ə-)pəld How to pronounce unprincipled (audio)
-sə-bəld
: lacking moral principles : unscrupulous
unprincipledness noun

Examples of unprincipled in a Sentence

a dishonest and unprincipled attack on his reputation an unprincipled businessman who made a lot of money—and didn't care how he did it
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.
Yet Aster casts their motives as unprincipled and self-serving. Richard Brody, New Yorker, 5 Sep. 2025 Antoni is that rarity who has drawn harsh criticism from economists on the right as well as the mainstream for being ignorant, unprincipled, and incompetent. Robert B. Reich, Hartford Courant, 21 Aug. 2025 She is utterly disillusioned with the ugly transformations of leftist leaders, such as Daniel Ortega of Nicaragua and Evo Morales of Bolivia, into unprincipled strongmen. Foreign Affairs, 19 Aug. 2025 Parrilla has the more complex role; Bruiser is unprincipled and lacking in shame, yet generally correct and fair. Daniel Fienberg, HollywoodReporter, 14 Aug. 2025 See All Example Sentences for unprincipled

Word History

First Known Use

1644, in the meaning defined above

Time Traveler
The first known use of unprincipled was in 1644

Browse Nearby Words

Cite this Entry

“Unprincipled.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unprincipled. Accessed 9 Sep. 2025.

Kids Definition

unprincipled

adjective
un·​prin·​ci·​pled ˌən-ˈprin(t)-s(ə-)pəld How to pronounce unprincipled (audio)
-sə-bəld,
ˈən-
: lacking moral principles : unscrupulous

More from Merriam-Webster on unprincipled

Last Updated: - Updated example sentences
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