undisciplined

adjective

un·​dis·​ci·​plined ˌən-ˈdi-sə-plənd How to pronounce undisciplined (audio)
: lacking in discipline or self-control
undisciplined behavior
an unruly and undisciplined child

Examples of undisciplined in a Sentence

Recent Examples on the Web
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The power play came roaring out of the gates against an undisciplined opponent. Chris Johnston, New York Times, 21 Apr. 2025 These people adhere to the idea that the common person is weak, undisciplined and unable to decide things for himself or herself. Chicago Tribune, 5 Apr. 2025 Sanders is pocket-mobile but often creates pressure and sacks with undisciplined drops. Greg Cote, Miami Herald, 3 Apr. 2025 If Trump’s undisciplined decision making throws the economy into a downturn, his opportunity to Make America Great Again will be short-lived. Nolan Finley, Mercury News, 26 Mar. 2025 See All Example Sentences for undisciplined

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of undisciplined was in the 14th century

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Cite this Entry

“Undisciplined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undisciplined. Accessed 24 Apr. 2025.

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