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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And in a highly personalistic international system, especially one agitated by undisciplined digital diplomacy, such a dynamic could take hold elsewhere. Michael Kimmage, Foreign Affairs, 25 Feb. 2025 Another undisciplined game from the blue line After stunting their momentum Saturday night in Las Vegas with a three-penalty first period, the Canucks did it again in Utah. Thomas Drance, The Athletic, 23 Feb. 2025 The Philadelphia Eagles began the year unstable and undisciplined. Brooks Kubena, The Athletic, 24 Jan. 2025 First Miles Wood went at Pettersson, the defender, and took a deeply undisciplined minor penalty given the state of play (at the time the Avalanche were down 1-0). Thomas Drance, The Athletic, 5 Feb. 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 13 Mar. 2025.

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