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
At its core, this undisciplined play stems from a stagnant style of offense.
—
Julia Poe, Chicago Tribune, 19 June 2025
But Riordan said that proves an undisciplined and untrained militia could stand against the British.
—Chelsea Torres, FOXNews.com, 18 June 2025
Edmonton trailed Monday's game 2-0 entering the second period after a series of undisciplined errors gave the Panthers four first-period power plays.
—Tyler Everett, MSNBC Newsweek, 12 June 2025
Both also have the fatal flaws of being undisciplined, delighting in picking public fights and getting bored easily.
—Jim Waterson, semafor.com, 6 June 2025
See All Example Sentences for undisciplined
Julia Poe, Chicago Tribune, 19 June 2025
But Riordan said that proves an undisciplined and untrained militia could stand against the British.
—Chelsea Torres, FOXNews.com, 18 June 2025
Edmonton trailed Monday's game 2-0 entering the second period after a series of undisciplined errors gave the Panthers four first-period power plays.
—Tyler Everett, MSNBC Newsweek, 12 June 2025
Both also have the fatal flaws of being undisciplined, delighting in picking public fights and getting bored easily.
—Jim Waterson, semafor.com, 6 June 2025
See All Example Sentences for undisciplined
Recent Examples of Synonyms for undisciplined
Adjective
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Penalties can apply even if the omission wasn’t willful.—
Kelly Phillips Erb,
Forbes.com,
11 Sep. 2025
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Maybe this willful disregard for someone’s wishes, particularly about their home, is part of some larger family dynamic.—
R. Eric Thomas,
Denver Post,
11 Sep. 2025
Adjective
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Viewers were quick to point out the hilarity of the dog's stubborn protest, with many suggesting that the dachshund had already claimed permanent rights to the bed.—
Melissa Fleur Afshar,
MSNBC Newsweek,
12 Sep. 2025
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The stubborn myth that Jews are too safe to be targets is colliding with a painful new reality.—
Andrew Weinstein,
Time,
12 Sep. 2025
Adjective
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However, her mother is adamant about keeping the canine off the antique chair.—
Liz O'Connell,
MSNBC Newsweek,
10 Sep. 2025
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Sandlin was adamant that his engineering team has done everything possible to ensure no adverse impact to neighboring properties.—
Matthew Adams,
Fort Worth Star-Telegram,
8 Sep. 2025
Adjective
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The third book in the Luna Sisters series follows the journey to love for the youngest and most rebellious Luna sister, Gabriela.—
Mia Sosa,
PEOPLE,
15 Sep. 2025
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Meanwhile, Gemma’s niece Cady (McGraw) is now 14, a rebellious teenager living under Gemma’s overprotective rules.—
Denise Petski,
Deadline,
12 Sep. 2025
Adjective
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Food-storage-container management Tame an unruly collection of food storage containers by taking all of them out, matching the lids to their containers, and getting rid of any pieces that are missing their other half or that are damaged.—
The Washington Post,
San Diego Union-Tribune,
13 Sep. 2025
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International headlines often paint Haiti as a nation gripped by crisis — from political unrest and economic hardship to uncertainty about the future and unruly crime.—
Footwear News,
Footwear News,
12 Sep. 2025
Adjective
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As investigators began searching for the husband and 4-year-old, Miller became uncooperative and was taken to the hospital for evaluation, Campbell said.—
Saleen Martin,
USA Today,
28 Aug. 2025
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No one wants to appear uncooperative.—
Benjamin Laker,
Forbes.com,
28 Aug. 2025
Adjective
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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
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But to Hollywood, Pusser’s defiant story was irresistible.—
Faith Karimi,
CNN Money,
11 Sep. 2025
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A day earlier, at his pre-match news conference, Pochettino sounded defensive and defiant.—
Henry Bushnell,
New York Times,
10 Sep. 2025
Cite this Entry
“Undisciplined.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undisciplined. Accessed 16 Sep. 2025.
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