Definition of undisciplined in US English:

undisciplined

adjective

  • Lacking in discipline; uncontrolled in behavior or manner.

    • ‘Through its pages, we are transported back to the 1940s and the austere surroundings of a boarding school for undisciplined boys.’
    • ‘Her own Tech professor wouldn't permit that kind of undisciplined behavior.’
    • ‘As always, throwing money around in an undisciplined manner will prove to be wasteful down the road.’
    • ‘‘I thought we were a bit undisciplined in the first half but made up for it in the second,’ he said.’
    • ‘That's not to say they're undisciplined, but there has to be a leader in every team.’
    • ‘His footballing genius was never questioned, but back home he was known as an egomaniac who was undisciplined, uncontrollable and prone to flights of folly.’
    • ‘But he was undisciplined, a trait that no amount of talent can ultimately compensate for.’
    • ‘So this was an untrained, undisciplined and unmotivated force that had no intention of attacking the townspeople.’
    • ‘These are some examples of how the modern sporting identity is typified by self-centered and undisciplined behavior.’
    • ‘If a child is undisciplined and selfish, there is nobody to blame but the parents.’
    • ‘I'm also an undisciplined person, so I need a structure.’
    • ‘A short time ago we were just an undisciplined mob.’
    • ‘Our performance against Newport was very undisciplined.’
    • ‘Many are undisciplined and inexperienced and in some cases questionably young.’
    • ‘Untrained, undisciplined, uninformed, she came to the magazine world as a self-admitted newborn.’
    • ‘This triggered an undisciplined period by Hertford who were baffled and incensed by the referee's decisions.’
    • ‘It has its moments of charm, but ultimately the picture is a bit of an undisciplined, shambling mess.’
    • ‘There seems an ever growing number of undisciplined yobs who cause trouble for ordinary people.’
    • ‘It is apparent that contemporary learners are undisciplined.’
    • ‘But while his techniques as a documentarian may be undisciplined, there's no denying his passion and dedication for the subject.’
    unruly, disorderly, disobedient, badly behaved, obstreperous, recalcitrant, refractory, intractable, wilful, wayward, delinquent, perverse, naughty, contrary, rebellious, mutinous, insubordinate, disruptive, attention-seeking, turbulent, errant, out of hand, out of control
    disorganized, unorganized, erratic, unsystematic, unmethodical, disorderly, chaotic, random, irregular, haphazard, in disarray, confused, muddled, jumbled
    View synonyms

Pronunciation

undisciplined

/ˌənˈdɪsəplɪnd//ˌənˈdisəplind/