Definition of "undisciplined" []

• Not subjected to discipline, control or correction; uncorrected (adjective)
• Lacking in self-control; ungovernable (adjective)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "He criticised what he called the undisciplined behaviour of a small group of Numsa members."
• "The Bucs had nine penalties to Carolina's two, and coach Raheem Morris lashed out at his team for what he described as undisciplined play."
• "Iowa State's Swenson said the findings reflect Iowans 'appreciation that discipline will be required to compensate for years of what he called undisciplined spending."