undisciplined
adjective /ˌʌnˈdɪsəplɪnd/
/ˌʌnˈdɪsəplɪnd/
- not having enough control or organization; behaving badly opposite disciplined
- His talent is raw and undisciplined.
- an undisciplined group of schoolchildren
- They knew they would be facing an undisciplined army.
- This was an undisciplined performance from his team.