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.
While guidance documents are incorporated in Trump’s new review-and-termination order—yet another important innovation—these have historically remained undisciplined and uncatalogued until Trump’s own E.O. 13891 of 2019 generated the makings of an inventory. Clyde Wayne Crews Jr., Forbes, 4 Mar. 2025 Basketball example: In a playoff game, the head coach decides to bench his young star player in the fourth quarter after an undisciplined outburst on the court. Brent Dykes, Forbes, 10 Mar. 2025 Authorities blamed the unrest on armed remnants of the Assad government, but acknowledged that some of the civilian killings were the fault of undisciplined factions or individual actors. Nabih Bulos, Los Angeles Times, 8 Mar. 2025 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 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

Browse Nearby Words

Cite this Entry

“Undisciplined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undisciplined. Accessed 4 Apr. 2025.

More from Merriam-Webster on undisciplined

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!