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
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
Krypto, who also sports a red cape but behaves like an undisciplined puppy-school reject, borders on cutesy.
—David Rooney, HollywoodReporter, 8 July 2025
But Riordan said that proves an undisciplined and untrained militia could stand against the British.
—Chelsea Torres, FOXNews.com, 18 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
Omar Kelly, Miami Herald, 15 Sep. 2025
Krypto, who also sports a red cape but behaves like an undisciplined puppy-school reject, borders on cutesy.
—David Rooney, HollywoodReporter, 8 July 2025
But Riordan said that proves an undisciplined and untrained militia could stand against the British.
—Chelsea Torres, FOXNews.com, 18 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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Miller was charged with domestic abuse assault, willful injury and kidnapping, according to the sheriff.—
Mike Stunson,
Kansas City Star,
29 Sep. 2025
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He has been charged with armed kidnapping, willful injury, domestic abuse assault with the intent to inflict serious injuries and obstruction of emergency communications, according to public court records.—
Toria Sheffield,
PEOPLE,
28 Sep. 2025
Adjective
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Originally bred in Germany to hunt badgers, these small canines are energetic, bold and stubborn.—
Liz O'Connell,
MSNBC Newsweek,
3 Oct. 2025
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Both options meant navigating some stubborn supporters.—
Kevin Coulson,
New York Times,
2 Oct. 2025
Adjective
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To their credit, Wild GM Bill Guerin and owner Craig Leipold were adamant that wasn’t going to happen and got a deal done.—
James Mirtle,
New York Times,
1 Oct. 2025
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His family, as well as his legal team, are adamant that Combs has been rehabilitated and should be released.—
DeMicia Inman,
VIBE.com,
30 Sep. 2025
Adjective
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The Western world is experiencing something of a psychedelic renaissance, with an increasing amount of interest in drugs that decades ago were considered rebellious and dangerous to some groups but fun to others who used it while clubbing and attending raves.—
Soph Warnes,
CNN Money,
28 Sep. 2025
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Bob and Zoyd are both paranoid in the wake of their rebellious pasts.—
Andrew McGowan,
Variety,
26 Sep. 2025
Adjective
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Conversely, another person said that OP could've handled the situation better and should've let the dad deal with his unruly kids.—
Hannah Sacks,
PEOPLE,
1 Oct. 2025
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Some of the golf at this year's Ryder Cup has been overshadowed by interventions from passionate and unruly fans, as Americans tee off against Europeans in one of the sport's biggest events.—
Chandelis Duster,
NPR,
28 Sep. 2025
Adjective
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In court documents, the MSP denied wrongdoing by the trooper, alleging Pettway was difficult to deal with on the day in question, became uncooperative, used profanity and resisted arrest.—
Tresa Baldas,
Freep.com,
5 Sep. 2025
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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
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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Though the song order is Easter egg intentional – as with everything Swift – it’s bookended by a declaration of romantic salvation and a narrative from the perspective of a weary, yet defiant showgirl.—
Melissa Ruggieri,
USA Today,
3 Oct. 2025
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Polis has sought to avoid public fights with the federal government over immigration, unlike his more publicly defiant counterparts in Illinois and California.—
Seth Klamann,
Denver Post,
30 Sep. 2025
Cite this Entry
“Undisciplined.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undisciplined. Accessed 6 Oct. 2025.
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