English Reference

Word

undisciplined

Phoneticsundis·ci·plined

US/ənˈdɪsɪpɫɪnd/

UK/ʌndˈɪsɪplˌɪnd/

Definition

adj. not able to control your behaviour well, so you do not follow rules or plans. You use it for people or groups that act in a messy or careless way.

adj. lacking self-control, order, or obedience to rules and authority. Applies to people, behaviour, or groups that act without restraint or consistent training.

Examples

“The undisciplined team arrives late to every practice.”

“The new manager struggles with an undisciplined sales team that ignores deadlines and skips morning meetings.”

“Though talented, the orchestra sounded undisciplined in the final movement, with entrances scattered and tempo drifting as concentration faded.”

Examples

simple

“The undisciplined team arrives late to every practice.”

contextual

“The new manager struggles with an undisciplined sales team that ignores deadlines and skips morning meetings.”

complex

“Though talented, the orchestra sounded undisciplined in the final movement, with entrances scattered and tempo drifting as concentration faded.”

Collocations

Common phrases and expressions where native English speakers use the word “undisciplined” in context.

Verb

01. become undisciplined

“Without clear rules, the class quickly became undisciplined.”

verb + adj

02. consider undisciplined

“Many critics consider his management style undisciplined and careless.”

verb + adj

03. remain undisciplined

“Despite extra training, the squad remained undisciplined on the pitch.”

verb + adj

04. undisciplined in class

“Younger pupils are often undisciplined in class without firm guidance.”

adj + prep + noun

Adjective

05. chronically undisciplined

“The club sacked the coach because the players were chronically undisciplined.”

adv + adj

06. increasingly undisciplined

“Without a firm manager, the team grew increasingly undisciplined.”

adv + adj

07. totally undisciplined

“The substitute teacher found the class totally undisciplined and very noisy.”

adv + adj

Noun

08. undisciplined behaviour

“The school will not tolerate undisciplined behaviour in lessons.”

adj + noun

09. undisciplined child

“He was an undisciplined child who rarely followed instructions.”

adj + noun

10. a completely undisciplined performance

“The visitors produced a completely undisciplined performance and lost 3-0.”

11. crack down on undisciplined behaviour

“The new headteacher promised to crack down on undisciplined behaviour.”

12. grow dangerously undisciplined

“The debate grew dangerously undisciplined as members shouted over each other.”

Real-World Examples

“The new gangs in New York—similar to groups in Los Angeles and Washington—are primarily composed of undisciplined teenagers and young adults in their early twenties.”
The New York Times 20 Mar 1988
“He is an undisciplined politician who puts his personal interests above the nation’s, running an administration that has no coherent strategy for solving major problems.”
The New York Times 24 Sept 2026
“The issue is that those wielding weapons are utterly undisciplined and completely out of control,”
The New York Times 9 Jul 1990

Etymology

From un- + disciplined.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Synonyms

Antonyms

Word family

ADJECTIVE

undisciplined(B2)

Related words

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

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English Reference