1. the time by which something must be finished, submitted, etc. 2. (formerly) a boundary around a military prison beyond which a prisoner could not venture without risk of being shot by the guards.
While it's important to talk with your doctor about the cause of your slurred speech, slurred speech caused by anxiety is not dangerous. It's not a sign that you have something else coming, or that your brain will somehow be inefficient for handling life tasks in the future.
Not usually: Many things can cause slurred speech. With certain neurological conditions that cause slurred speech focusing on the problem can make it worse. (We also see this with stammering and stuttering ). The list of conditions that cause the various types of slurred speech is lengthy.