To be a leader, you have to set an example. The way you speak, act and think sets the tone for the rest of the employees. A leader spends a lot of their time communicating and working with the employees hence, they should be very careful about the words they sprout. If they say or act unprofessional, there’s no way they are fit to be a leader. If you are looking to be an effective leader in your workplace, here are some phrases that you should definitely avoid.