un·​dis·​ci·​plined | \ ˌən-ˈdi-sə-plənd How to pronounce undisciplined (audio) \

Definition of undisciplined

: lacking in discipline or self-control undisciplined behavior an unruly and undisciplined child

Examples of undisciplined in a Sentence

Recent Examples on the Web The best qualified members—those with nautical knowledge or the strong personality needed to maintain order among natural rebels in an undisciplined setting—quickly rose through the ranks, regardless of social rank. National Geographic, "Ahoy! It's the real pirates of the Caribbean—and the Carolinas," 2 July 2020 Early on, people questioned how exactly the fund, which raised $50 million between 2012 and 2016, was able to afford the parties and its undisciplined spending, which included BBQs with tutu-ed ponies. Lucinda Shen, Fortune, "A venture capitalist parodied by HBO’s ‘Silicon Valley’ is now facing criminal charges and perhaps even jail time," 30 June 2020 Also, Churchill was undisciplined in his diet, though his tastes ran more to champagne and oysters than to Diet Cokes and hamburgers. Bill Mckibben, The New Yorker, "Trump Was Role-Playing Churchill—What a Colossal Flop," 6 June 2020 Widely criticized upon its appearance (Irving Howe deemed it undisciplined and badly written) and accused of excessive sympathy for the disgraced Communists, Romance fell out of print for many years. Sophie Pinkham, The New Republic, "How Vivian Gornick Reinvigorated Political Writing," 1 May 2020 Today: Bengals are undisciplined, lack accountability Monday: Mike Brown doesn’t spend enough on players, only cares about money Sunday: Lewis struggles with halftime adjustments This complaint ranks as the highest percentage sent to me in all caps. Paul Dehner Jr., Cincinnati.com, "Mike Brown-Marvin Lewis fact or fiction: Cincinnati Bengals lack discipline, accountability?," 9 Jan. 2018 But the team must correct sloppy and undisciplined play that led to nine penalties. Lorenzo Reyes, USA TODAY, "XFL power rankings: Houston Roughnecks, QB P.J. Walker dominant in league's first three weeks," 25 Feb. 2020 While Xavier looked sloppy and undisciplined offensively, Creighton looked like a machine. Adam Baum, Cincinnati.com, "Here's what went wrong in Xavier basketball's loss at Creighton," 26 Jan. 2020 The Browns went 6-10 and looked unorganized and undisciplined in the process. Dan Labbe, cleveland, "Cleveland Browns’ instability starts at the top with ownership’s flavor-of-the-month approach," 31 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'undisciplined.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of undisciplined

14th century, in the meaning defined above

Keep scrolling for more

Learn More about undisciplined

Time Traveler for undisciplined

Time Traveler

The first known use of undisciplined was in the 14th century

See more words from the same century

Statistics for undisciplined

Last Updated

5 Jul 2020

Cite this Entry

“Undisciplined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undisciplined. Accessed 11 Jul. 2020.

Keep scrolling for more

More Definitions for undisciplined


How to pronounce undisciplined (audio)

English Language Learners Definition of undisciplined

: behaving in a way that is not properly controlled, organized, serious, etc. : lacking discipline

More from Merriam-Webster on undisciplined

Thesaurus: All synonyms and antonyms for undisciplined

Spanish Central: Translation of undisciplined

Comments on undisciplined

What made you want to look up undisciplined? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!