undisciplined

adjective

un·​dis·​ci·​plined ˌən-ˈdi-sə-plənd How to pronounce undisciplined (audio)
Synonyms of undisciplinednext
: 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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Meanwhile, on the court, USC was looking undisciplined among the refined style of play that UCLA had settled into. Haley Sawyer, Oc Register, 8 Mar. 2026 After leading the Kings to a franchise-best 48 wins and 105 points in his first full season as coach, Hiller failed to replicate that success with a team that has appeared unorganized and undisciplined for much of the season. Los Angeles Times, 1 Mar. 2026 The unconscious Moon moves through your 9th House of Distance, opposing undisciplined Uranus in your conversation zone. Tarot.com, Sun Sentinel, 9 Feb. 2026 Meanwhile, the Gators struggled mightily in the trenches during Billy Napier’s four-year tenure, posting three losing seasons marked by inconsistency and undisciplined play up front. Edgar Thompson, The Orlando Sentinel, 9 Feb. 2026 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 18 Mar. 2026.

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