A hostile work environment is created by a boss or coworker whose actions, communication or behavior make doing your job impossible. 1  This means that the behavior altered the terms, conditions, and/or reasonable expectations of a comfortable work environment for employees.
11. to exercise dominating power, authority, or influence over; govern: to rule a kingdom. 12. to decide or declare judicially or authoritatively; decree. 13. to mark with lines, esp. parallel straight lines, with the aid of a ruler or the like: to rule paper. 14. to mark out or form (a line) by this method.
For example, when a rule is not being followed, refer back to the rule pizza to remind students of the rules they established. Let them help determine the consequences. Ask them what should happen if someone does not follow one of the rules. You can also refine the rules as the year goes on with their input.