The term "badling" refers to a person who behaves badly or engages in inappropriate actions. There are several synonyms that can be used in place of this word including miscreant, troublemaker, delinquent, rogue, rascal, and villain. These words all suggest someone who acts in a way that is harmful or disruptive to others or society as a whole. They can be used to describe someone who engages in criminal activity, exhibits antisocial behavior, or intentionally causes harm to others. When describing someone who behaves badly, it is important to choose the right synonym in order to convey the appropriate level of severity or seriousness of their actions.