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
Meanwhile, on the court, USC was looking undisciplined among the refined style of play that UCLA had settled into.
—
Haley Sawyer, Oc Register, 8 Mar. 2026
After leading the Kings to a franchise-best 48 wins and 105 points in his first full season as coach, Hiller failed to replicate that success with a team that has appeared unorganized and undisciplined for much of the season.
—Los Angeles Times, 1 Mar. 2026
The unconscious Moon moves through your 9th House of Distance, opposing undisciplined Uranus in your conversation zone.
—Tarot.com, Sun Sentinel, 9 Feb. 2026
Meanwhile, the Gators struggled mightily in the trenches during Billy Napier’s four-year tenure, posting three losing seasons marked by inconsistency and undisciplined play up front.
—Edgar Thompson, The Orlando Sentinel, 9 Feb. 2026
See All Example Sentences for undisciplined
Haley Sawyer, Oc Register, 8 Mar. 2026
After leading the Kings to a franchise-best 48 wins and 105 points in his first full season as coach, Hiller failed to replicate that success with a team that has appeared unorganized and undisciplined for much of the season.
—Los Angeles Times, 1 Mar. 2026
The unconscious Moon moves through your 9th House of Distance, opposing undisciplined Uranus in your conversation zone.
—Tarot.com, Sun Sentinel, 9 Feb. 2026
Meanwhile, the Gators struggled mightily in the trenches during Billy Napier’s four-year tenure, posting three losing seasons marked by inconsistency and undisciplined play up front.
—Edgar Thompson, The Orlando Sentinel, 9 Feb. 2026
See All Example Sentences for undisciplined
Recent Examples of Synonyms for undisciplined
Adjective
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Under current Kansas law, reckless driving is defined as operating a vehicle in willful or wanton disregard for the safety of persons or property.—
Matthew Kelly,
Kansas City Star,
8 May 2026
-
Like most of what Welch says, it’s based on willful ignorance and emotion rather than facts.—
Jon Root OutKick,
FOXNews.com,
1 May 2026
Adjective
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Jared Speight is a stubborn titan of Long Island abstraction when star writer Roxy Margaux first becomes infatuated with his bravado.—
Greg Evans,
Deadline,
28 Apr. 2026
-
For concrete or tile, a mild cleaner helps remove the stubborn pollen film that builds up over spring months.—
Lauren Jarvis-Gibson,
Fort Worth Star-Telegram,
27 Apr. 2026
Adjective
-
The French film industry is very adamant about showing films in theaters and maintaining a long theatrical window.—
John Ross,
Vanity Fair,
7 May 2026
-
Be adamant, not alarmist, as Mars squares off with Jupiter.—
USA TODAY,
USA Today,
4 May 2026
Adjective
-
Artist Sean Gordon Murphy has always had a rebellious indie streak to his work.—
Borys Kit,
HollywoodReporter,
8 May 2026
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The Clash are singing of a city aflame, the Sex Pistols are somehow getting more popular after imploding on tour, and on every street corner, mohawks and safety pins are on rebellious display.—
Peter Larsen,
Oc Register,
7 May 2026
Adjective
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Almost three years later, a 30-strong ensemble of young boys, many making their professional acting debuts thanks to open casting calls, is transporting us to their unruly island in a four-part BBC series, with episodes airing on Sundays and the entire series available on BBC iPlayer.—
Connor Sturges,
Condé Nast Traveler,
6 May 2026
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Beyond unruly behavior on airplanes, drinking before a flight might not be the cure-all passengers are hoping for.—
Tristan Bove,
Fortune,
6 May 2026
Adjective
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Smith previously said police believed Blue was likely with her father, who was reportedly uncooperative with police, the Department of Children and Families and child custody orders.—
Justin Muszynski,
Hartford Courant,
8 May 2026
-
Allies of the United States are responding to an internal Pentagon email that allegedly floated several ideas for punishing uncooperative members of NATO.—
Mike Brest,
The Washington Examiner,
24 Apr. 2026
Adjective
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President Trump has ordered hundreds of additional federal agents to Minneapolis and is threatening to involve the Insurrection Act which would allow the military to curtail protests and use force to jail disobedient protestors.—
Rick Pozniak,
Boston Herald,
17 Jan. 2026
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As a drone whirred overhead and hooded people spray-painted the building and its fixtures, the protestors advocated for more civilly disobedient methods.—
Dante Motley,
Austin American Statesman,
8 Jan. 2026
Adjective
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But an increasingly defiant Daisy has another idea.—
Amanda Whiting,
Vulture,
6 May 2026
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While Google has struck a defiant tone, internal backlash appears to be mounting, with several employees criticizing the deal publicly.—
Beatrice Nolan,
Fortune,
4 May 2026
Cite this Entry
“Undisciplined.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undisciplined. Accessed 11 May. 2026.
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