undisciplined
adjective
un·dis·ci·plined
ˌən-ˈdi-sə-plənd 
: lacking in discipline or self-control
undisciplined behavior
an unruly and undisciplined child
Examples of undisciplined in a Sentence
Recent Examples on the Web
However, circulation of these videos on social media and their subsequent amplification by local and national news outlets have further intensified the perception of a group of undisciplined and poorly trained agents operating with impunity.
—
Rick Pozniak, Boston Herald, 4 June 2025
In a last fart of immaturity, the Pens took undisciplined penalties and gave up three second-period power play goals in a 5-0 Game 5 loss.
—David J. Neal, Miami Herald, 4 June 2025
The Colts looked like a young team with a first-time head coach in all of the worst ways — they were undisciplined and ill-prepared for the moment.
—Derrik Klassen, The Athletic, 1 Jan. 2025
Related Stories The movie O’Neil has put together out of this footage, which premiered last night at Cannes, is by any real-world standard a slovenly and undisciplined piece of work.
—Owen Gleiberman, Variety, 19 May 2025
See All Example Sentences for undisciplined
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.
Rick Pozniak, Boston Herald, 4 June 2025
In a last fart of immaturity, the Pens took undisciplined penalties and gave up three second-period power play goals in a 5-0 Game 5 loss.
—David J. Neal, Miami Herald, 4 June 2025
The Colts looked like a young team with a first-time head coach in all of the worst ways — they were undisciplined and ill-prepared for the moment.
—Derrik Klassen, The Athletic, 1 Jan. 2025
Related Stories The movie O’Neil has put together out of this footage, which premiered last night at Cannes, is by any real-world standard a slovenly and undisciplined piece of work.
—Owen Gleiberman, Variety, 19 May 2025
See All Example Sentences for undisciplined
Cite this Entry
“Undisciplined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undisciplined. Accessed 11 Jun. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share