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
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.
And then Brady Tkachuk took an undisciplined penalty near the end of the first period that led to Toronto’s first power-play goal in 31 opportunities in closeout games since 2018. Joshua Kloke, New York Times, 2 May 2025 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 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 7 May. 2025.

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