Language defines leaders. Martin Luther King, Jr., President Franklin Roosevelt, and President John Kennedy are perfect examples of leaders who knew how to use language to inspire others. Teachers are classroom leaders. What they say and how they say it speaks volumes about their professionalism. The article discusses 10 things that teachers can do to ramp up their language skills, thereby enhancing their professionalism and leadership skills. The ten things, described in detail in this article, include: (1) Listen to yourself speaking; (2) Closely examine your choice of words; (3) Be aware of your expression; (4) Set a standard for correct usage; (5) Enunciate properly; (6) Know your audience; (7) Use the proper tone when addressing parents; (8) Think before you speak; (9) Build vocabulary; and (10) Identify and use high-level words from lessons or reading.