as in willful
behaving in a way that is not properly controlled, organized, serious, etc.; lacking discipline
He has been very undisciplined about studying. undisciplined children
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Recent Examples of undisciplined
The Eagles were unsound and undisciplined.
—
Zach Berman, New York Times, 10 Oct. 2025
Long-percolating concerns about the massive and perhaps undisciplined tech-company investments in artificial-intelligence infrastructure and the lavish valuations bestowed on these businesses started to boil over last week.
—Michael Santoli, CNBC, 27 Sep. 2025
This can lead to slow responses, suboptimal trade-offs and undisciplined reactions.
—Tom Strohl, Forbes.com, 15 Sep. 2025
And the Dolphins players are undisciplined, and the team’s leaders need to do a better job of making their presence felt.
—Omar Kelly, Miami Herald, 15 Sep. 2025
See All Example Sentences for undisciplined
Zach Berman, New York Times, 10 Oct. 2025
Long-percolating concerns about the massive and perhaps undisciplined tech-company investments in artificial-intelligence infrastructure and the lavish valuations bestowed on these businesses started to boil over last week.
—Michael Santoli, CNBC, 27 Sep. 2025
This can lead to slow responses, suboptimal trade-offs and undisciplined reactions.
—Tom Strohl, Forbes.com, 15 Sep. 2025
And the Dolphins players are undisciplined, and the team’s leaders need to do a better job of making their presence felt.
—Omar Kelly, Miami Herald, 15 Sep. 2025
See All Example Sentences for undisciplined
Recent Examples of Synonyms for undisciplined
Adjective
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The Medical University of South Carolina was declared responsible for Fulcher’s death in the lawsuit, citing gross negligence and willful in violation of their duties, according to the outlet.—
Escher Walcott,
PEOPLE,
8 Nov. 2025
-
Penalties can reach up to roughly $51,500 per violation, along with multiyear bans on new visa petitions for willful breaches, according to DOL enforcement guidelines.—
Robert Alexander,
MSNBC Newsweek,
30 Oct. 2025
Adjective
-
That tone—of pain, of surprise, of a stubborn refusal to be reduced or diminished—is everywhere in it.—
Questlove,
The Atlantic,
7 Nov. 2025
-
If the stain is stubborn, add a few drops of dish soap to the water and vinegar mixture.—
Ashlyn Needham,
Southern Living,
7 Nov. 2025
Adjective
-
The attorney general was adamant that if Running Fence broke the law, workers would be arrested and jailed, and contractors would lose their licenses.—
Literary Hub,
Literary Hub,
7 Nov. 2025
-
Lownie is adamant that their friendship dates back to 1991.—
Stephanie Nolasco , Ashley Papa,
FOXNews.com,
6 Nov. 2025
Adjective
-
Silicon Valley definitely has so much of that rebellious spirit.—
Andre Byik,
USA Today,
10 Nov. 2025
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On Tracker, Ackles portrays Russell, Colter’s charismatic and rebellious older brother, who has a similar skill set and lack of stable home life.—
Katie Mannion,
PEOPLE,
9 Nov. 2025
Adjective
-
Trimming can be done more often for light touch-ups during the growing season to keep unruly plants in check, remove leggy growth, and maintain shape as the plant grows.—
Karen Brewer Grossman,
Southern Living,
7 Nov. 2025
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That meant that Emms pulled double duty of sorts at the London fest, also appearing in Jonatan Etzler’s black comedy Bad Apples, which stars Saoirse Ronan as a teacher finding her class of 10-year-olds disrupted by one unruly pupil.—
Georg Szalai,
HollywoodReporter,
7 Nov. 2025
Adjective
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The motorist was uncooperative and delayed the investigation but was ultimately arrested and booked into main jail.—
Jake Richardson,
Mercury News,
7 Nov. 2025
-
Ashlee has remained uncooperative and has not confirmed Melodee’s location or welfare.—
Becca Longmire,
PEOPLE,
4 Nov. 2025
Adjective
-
Kennedy Tolson is the sly queen of side-eye as the disobedient new housemaid Nancy.—
Pam Kragen,
San Diego Union-Tribune,
16 Aug. 2025
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These first two episodes also give us the first appearance of Uma Thurman’s character, Charley, who seems to be recruiting serial killers and taking out disobedient ones in the Tri-State area.—
Hunter Ingram,
Variety,
11 July 2025
Adjective
-
Cushla’s world is full of defiant spirits, including her mother, a woman struggling with addiction who spends most of her days bound to her living room and the bottom of a bottle.—
Max Goldbart,
Deadline,
5 Nov. 2025
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The mayor-elect was defiant in his victory speech.—
Sydney Lake,
Fortune,
5 Nov. 2025
Cite this Entry
“Undisciplined.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undisciplined. Accessed 14 Nov. 2025.
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