undisciplined
/ʌnˈdɪsəplɪnd/
adjective
- Lacking self-control, order, or training; behaving in a wild or unruly way.
- The undisciplined soldiers ignored their commander's orders.
- His undisciplined spending habits left him broke at the end of every month.
- The undisciplined dog ran through the house knocking over furniture.
- Not following a set of rules or a system; lacking structure or method.
- Her undisciplined approach to studying meant she never finished her assignments on time.
- The artist's undisciplined technique made his paintings look messy.
- An undisciplined diet can lead to health problems.
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