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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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 The word out of Arizona is that Kingsbury’s Cardinals teams were too often sloppy and undisciplined and that his full-team leadership skills and oversight have been lacking. Dan Wiederer, Chicago Tribune, 19 Jan. 2025 Political stunts, undisciplined rhetoric, or indications that Washington is wavering in its resolve to uphold its security commitments are likely to lead to more anxiety, aggression, and unpredictability from Beijing. Ryan Hass, Foreign Affairs, 8 Nov. 2023 Cowan wasn’t alone in his undisciplined play, however. Joshua Kloke, The Athletic, 3 Jan. 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

Dictionary Entries Near undisciplined

Cite this Entry

“Undisciplined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undisciplined. Accessed 16 Feb. 2025.

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